388581665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4229}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 526279680

約数和(自身を除く): 137698015

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1955, 3995, 4229, 5405, 18377, 21145, 71893, 91885, 97267, 198763, 359465, 486335, 993815, 1653539, 3378971, 4571549, 8267695, 16894855, 22857745, 77716333, 388581665]

約数ペア:

[(1, 388581665), (5, 77716333), (17, 22857745), (23, 16894855), (47, 8267695), (85, 4571549), (115, 3378971), (235, 1653539), (391, 993815), (799, 486335), (1081, 359465), (1955, 198763), (3995, 97267), (4229, 91885), (5405, 71893), (18377, 21145)]