28768090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 58951368

約数和(自身を除く): 30183278

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 613, 722, 1226, 1235, 1805, 2470, 3065, 3610, 4693, 6130, 7969, 9386, 11647, 15938, 23294, 23465, 39845, 46930, 58235, 79690, 116470, 151411, 221293, 302822, 442586, 757055, 1106465, 1514110, 2212930, 2876809, 5753618, 14384045, 28768090]

約数ペア:

[(1, 28768090), (2, 14384045), (5, 5753618), (10, 2876809), (13, 2212930), (19, 1514110), (26, 1106465), (38, 757055), (65, 442586), (95, 302822), (130, 221293), (190, 151411), (247, 116470), (361, 79690), (494, 58235), (613, 46930), (722, 39845), (1226, 23465), (1235, 23294), (1805, 15938), (2470, 11647), (3065, 9386), (3610, 7969), (4693, 6130)]