31205356

素因数分解:

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

素因数の和:399

約数の個数: 72

約数和(自身を含む): 70472976

約数和(自身を除く): 39267620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 331, 364, 481, 518, 637, 662, 962, 1036, 1274, 1324, 1813, 1924, 2317, 2548, 3367, 3626, 4303, 4634, 6734, 7252, 8606, 9268, 12247, 13468, 16219, 17212, 23569, 24494, 30121, 32438, 47138, 48988, 60242, 64876, 85729, 94276, 120484, 159211, 171458, 210847, 318422, 342916, 421694, 600103, 636844, 843388, 1114477, 1200206, 2228954, 2400412, 4457908, 7801339, 15602678, 31205356]

約数ペア:

[(1, 31205356), (2, 15602678), (4, 7801339), (7, 4457908), (13, 2400412), (14, 2228954), (26, 1200206), (28, 1114477), (37, 843388), (49, 636844), (52, 600103), (74, 421694), (91, 342916), (98, 318422), (148, 210847), (182, 171458), (196, 159211), (259, 120484), (331, 94276), (364, 85729), (481, 64876), (518, 60242), (637, 48988), (662, 47138), (962, 32438), (1036, 30121), (1274, 24494), (1324, 23569), (1813, 17212), (1924, 16219), (2317, 13468), (2548, 12247), (3367, 9268), (3626, 8606), (4303, 7252), (4634, 6734)]