78341116

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 160538112

約数和(自身を除く): 82196996

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 157, 251, 284, 314, 497, 502, 628, 994, 1004, 1099, 1757, 1988, 2198, 3514, 4396, 7028, 11147, 17821, 22294, 35642, 39407, 44588, 71284, 78029, 78814, 124747, 156058, 157628, 249494, 275849, 312116, 498988, 551698, 1103396, 2797897, 5595794, 11191588, 19585279, 39170558, 78341116]

約数ペア:

[(1, 78341116), (2, 39170558), (4, 19585279), (7, 11191588), (14, 5595794), (28, 2797897), (71, 1103396), (142, 551698), (157, 498988), (251, 312116), (284, 275849), (314, 249494), (497, 157628), (502, 156058), (628, 124747), (994, 78814), (1004, 78029), (1099, 71284), (1757, 44588), (1988, 39407), (2198, 35642), (3514, 22294), (4396, 17821), (7028, 11147)]