201710156990

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1\times {\mathrm{61561}}^1$

素因数の和:63812

約数の個数: 32

約数和(自身を含む): 365571900864

約数和(自身を除く): 163861743874

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 2087, 4174, 10435, 20870, 61561, 123122, 307805, 327659, 615610, 655318, 1638295, 3276590, 9665077, 19330154, 48325385, 96650770, 128477807, 256955614, 642389035, 1284778070, 20171015699, 40342031398, 100855078495, 201710156990]

約数ペア:

[(1, 201710156990), (2, 100855078495), (5, 40342031398), (10, 20171015699), (157, 1284778070), (314, 642389035), (785, 256955614), (1570, 128477807), (2087, 96650770), (4174, 48325385), (10435, 19330154), (20870, 9665077), (61561, 3276590), (123122, 1638295), (307805, 655318), (327659, 615610)]