291275725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 397019232

約数和(自身を除く): 105743507

約数列:

[1, 5, 13, 25, 65, 71, 169, 325, 355, 845, 923, 971, 1775, 4225, 4615, 4855, 11999, 12623, 23075, 24275, 59995, 63115, 68941, 164099, 299975, 315575, 344705, 820495, 896233, 1723525, 4102475, 4481165, 11651029, 22405825, 58255145, 291275725]

約数ペア:

[(1, 291275725), (5, 58255145), (13, 22405825), (25, 11651029), (65, 4481165), (71, 4102475), (169, 1723525), (325, 896233), (355, 820495), (845, 344705), (923, 315575), (971, 299975), (1775, 164099), (4225, 68941), (4615, 63115), (4855, 59995), (11999, 24275), (12623, 23075)]