40178294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 67952640

約数和(自身を除く): 27774346

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 631, 806, 1027, 1262, 2054, 2449, 4898, 8203, 16406, 19561, 31837, 39122, 49849, 63674, 99698, 254293, 508586, 648037, 1296074, 1545319, 3090638, 20089147, 40178294]

約数ペア:

[(1, 40178294), (2, 20089147), (13, 3090638), (26, 1545319), (31, 1296074), (62, 648037), (79, 508586), (158, 254293), (403, 99698), (631, 63674), (806, 49849), (1027, 39122), (1262, 31837), (2054, 19561), (2449, 16406), (4898, 8203)]