28005658

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 24

約数和(自身を含む): 44988480

約数和(自身を除く): 16982822

約数列:

[1, 2, 19, 38, 79, 158, 361, 491, 722, 982, 1501, 3002, 9329, 18658, 28519, 38789, 57038, 77578, 177251, 354502, 736991, 1473982, 14002829, 28005658]

約数ペア:

[(1, 28005658), (2, 14002829), (19, 1473982), (38, 736991), (79, 354502), (158, 177251), (361, 77578), (491, 57038), (722, 38789), (982, 28519), (1501, 18658), (3002, 9329)]