162496375

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 209147328

約数和(自身を除く): 46650953

約数列:

[1, 5, 25, 61, 101, 125, 211, 305, 505, 1055, 1525, 2525, 5275, 6161, 7625, 12625, 12871, 21311, 26375, 30805, 64355, 106555, 154025, 321775, 532775, 770125, 1299971, 1608875, 2663875, 6499855, 32499275, 162496375]

約数ペア:

[(1, 162496375), (5, 32499275), (25, 6499855), (61, 2663875), (101, 1608875), (125, 1299971), (211, 770125), (305, 532775), (505, 321775), (1055, 154025), (1525, 106555), (2525, 64355), (5275, 30805), (6161, 26375), (7625, 21311), (12625, 12871)]