28487930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 53089344

約数和(自身を除く): 24601414

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 683, 970, 1366, 3415, 4171, 6830, 8342, 20855, 29369, 41710, 58738, 66251, 132502, 146845, 293690, 331255, 662510, 2848793, 5697586, 14243965, 28487930]

約数ペア:

[(1, 28487930), (2, 14243965), (5, 5697586), (10, 2848793), (43, 662510), (86, 331255), (97, 293690), (194, 146845), (215, 132502), (430, 66251), (485, 58738), (683, 41710), (970, 29369), (1366, 20855), (3415, 8342), (4171, 6830)]