68903465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 90556704

約数和(自身を除く): 21653239

約数列:

[1, 5, 17, 61, 85, 97, 137, 305, 485, 685, 1037, 1649, 2329, 5185, 5917, 8245, 8357, 11645, 13289, 29585, 41785, 66445, 100589, 142069, 225913, 502945, 710345, 810629, 1129565, 4053145, 13780693, 68903465]

約数ペア:

[(1, 68903465), (5, 13780693), (17, 4053145), (61, 1129565), (85, 810629), (97, 710345), (137, 502945), (305, 225913), (485, 142069), (685, 100589), (1037, 66445), (1649, 41785), (2329, 29585), (5185, 13289), (5917, 11645), (8245, 8357)]