1279419596

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 2959864992

約数和(自身を除く): 1680445396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 41, 49, 52, 74, 82, 91, 98, 148, 164, 182, 196, 259, 287, 331, 364, 481, 518, 533, 574, 637, 662, 962, 1036, 1066, 1148, 1274, 1324, 1517, 1813, 1924, 2009, 2132, 2317, 2548, 3034, 3367, 3626, 3731, 4018, 4303, 4634, 6068, 6734, 7252, 7462, 8036, 8606, 9268, 10619, 12247, 13468, 13571, 14924, 16219, 17212, 19721, 21238, 23569, 24494, 26117, 27142, 30121, 32438, 39442, 42476, 47138, 48988, 52234, 54284, 60242, 64876, 74333, 78884, 85729, 94276, 94997, 104468, 120484, 138047, 148666, 159211, 171458, 176423, 189994, 210847, 276094, 297332, 318422, 342916, 352846, 379988, 421694, 502127, 552188, 600103, 636844, 664979, 705692, 843388, 966329, 1004254, 1114477, 1200206, 1234961, 1329958, 1932658, 2008508, 2228954, 2400412, 2469922, 2659916, 3514889, 3865316, 4457908, 4939844, 6527651, 7029778, 7801339, 8644727, 13055302, 14059556, 15602678, 17289454, 24604223, 26110604, 31205356, 34578908, 45693557, 49208446, 91387114, 98416892, 182774228, 319854899, 639709798, 1279419596]

約数ペア:

[(1, 1279419596), (2, 639709798), (4, 319854899), (7, 182774228), (13, 98416892), (14, 91387114), (26, 49208446), (28, 45693557), (37, 34578908), (41, 31205356), (49, 26110604), (52, 24604223), (74, 17289454), (82, 15602678), (91, 14059556), (98, 13055302), (148, 8644727), (164, 7801339), (182, 7029778), (196, 6527651), (259, 4939844), (287, 4457908), (331, 3865316), (364, 3514889), (481, 2659916), (518, 2469922), (533, 2400412), (574, 2228954), (637, 2008508), (662, 1932658), (962, 1329958), (1036, 1234961), (1066, 1200206), (1148, 1114477), (1274, 1004254), (1324, 966329), (1517, 843388), (1813, 705692), (1924, 664979), (2009, 636844), (2132, 600103), (2317, 552188), (2548, 502127), (3034, 421694), (3367, 379988), (3626, 352846), (3731, 342916), (4018, 318422), (4303, 297332), (4634, 276094), (6068, 210847), (6734, 189994), (7252, 176423), (7462, 171458), (8036, 159211), (8606, 148666), (9268, 138047), (10619, 120484), (12247, 104468), (13468, 94997), (13571, 94276), (14924, 85729), (16219, 78884), (17212, 74333), (19721, 64876), (21238, 60242), (23569, 54284), (24494, 52234), (26117, 48988), (27142, 47138), (30121, 42476), (32438, 39442)]