28470728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 35879992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 451, 533, 572, 607, 902, 1066, 1144, 1214, 1804, 2132, 2428, 3608, 4264, 4856, 5863, 6677, 7891, 11726, 13354, 15782, 23452, 24887, 26708, 31564, 46904, 49774, 53416, 63128, 86801, 99548, 173602, 199096, 273757, 323531, 347204, 547514, 647062, 694408, 1095028, 1294124, 2190056, 2588248, 3558841, 7117682, 14235364, 28470728]

約数ペア:

[(1, 28470728), (2, 14235364), (4, 7117682), (8, 3558841), (11, 2588248), (13, 2190056), (22, 1294124), (26, 1095028), (41, 694408), (44, 647062), (52, 547514), (82, 347204), (88, 323531), (104, 273757), (143, 199096), (164, 173602), (286, 99548), (328, 86801), (451, 63128), (533, 53416), (572, 49774), (607, 46904), (902, 31564), (1066, 26708), (1144, 24887), (1214, 23452), (1804, 15782), (2132, 13354), (2428, 11726), (3608, 7891), (4264, 6677), (4856, 5863)]