1216331375

素因数分解:

$5^3\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2203}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 1738374144

約数和(自身を除く): 522042769

約数列:

[1, 5, 7, 25, 35, 125, 175, 631, 875, 2203, 3155, 4417, 11015, 15421, 15775, 22085, 55075, 77105, 78875, 110425, 275375, 385525, 552125, 1390093, 1927625, 6950465, 9730651, 34752325, 48653255, 173761625, 243266275, 1216331375]

約数ペア:

[(1, 1216331375), (5, 243266275), (7, 173761625), (25, 48653255), (35, 34752325), (125, 9730651), (175, 6950465), (631, 1927625), (875, 1390093), (2203, 552125), (3155, 385525), (4417, 275375), (11015, 110425), (15421, 78875), (15775, 77105), (22085, 55075)]