1215124625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67979}}^1$

素因数の和:68018

約数の個数: 32

約数和(自身を含む): 1781619840

約数和(自身を除く): 566495215

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 67979, 339895, 747769, 883727, 1699475, 3738845, 4418635, 8497375, 9720997, 18694225, 22093175, 48604985, 93471125, 110465875, 243024925, 1215124625]

約数ペア:

[(1, 1215124625), (5, 243024925), (11, 110465875), (13, 93471125), (25, 48604985), (55, 22093175), (65, 18694225), (125, 9720997), (143, 8497375), (275, 4418635), (325, 3738845), (715, 1699475), (1375, 883727), (1625, 747769), (3575, 339895), (17875, 67979)]