28524895

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 13278881

約数列:

[1, 5, 7, 17, 35, 85, 119, 191, 251, 595, 955, 1255, 1337, 1757, 3247, 4267, 6685, 8785, 16235, 21335, 22729, 29869, 47941, 113645, 149345, 239705, 335587, 814997, 1677935, 4074985, 5704979, 28524895]

約数ペア:

[(1, 28524895), (5, 5704979), (7, 4074985), (17, 1677935), (35, 814997), (85, 335587), (119, 239705), (191, 149345), (251, 113645), (595, 47941), (955, 29869), (1255, 22729), (1337, 21335), (1757, 16235), (3247, 8785), (4267, 6685)]