28856490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3263

約数の個数: 64

約数和(自身を含む): 77849856

約数和(自身を除く): 48993366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 3217, 4485, 6434, 8970, 9651, 16085, 19302, 32170, 41821, 48255, 73991, 83642, 96510, 125463, 147982, 209105, 221973, 250926, 369955, 418210, 443946, 627315, 739910, 961883, 1109865, 1254630, 1923766, 2219730, 2885649, 4809415, 5771298, 9618830, 14428245, 28856490]

約数ペア:

[(1, 28856490), (2, 14428245), (3, 9618830), (5, 5771298), (6, 4809415), (10, 2885649), (13, 2219730), (15, 1923766), (23, 1254630), (26, 1109865), (30, 961883), (39, 739910), (46, 627315), (65, 443946), (69, 418210), (78, 369955), (115, 250926), (130, 221973), (138, 209105), (195, 147982), (230, 125463), (299, 96510), (345, 83642), (390, 73991), (598, 48255), (690, 41821), (897, 32170), (1495, 19302), (1794, 16085), (2990, 9651), (3217, 8970), (4485, 6434)]