71398456

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 142634520

約数和(自身を除く): 71236064

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 251, 296, 502, 961, 1004, 1147, 1922, 2008, 2294, 3844, 4588, 7688, 7781, 9176, 9287, 15562, 18574, 31124, 35557, 37148, 62248, 71114, 74296, 142228, 241211, 284456, 287897, 482422, 575794, 964844, 1151588, 1929688, 2303176, 8924807, 17849614, 35699228, 71398456]

約数ペア:

[(1, 71398456), (2, 35699228), (4, 17849614), (8, 8924807), (31, 2303176), (37, 1929688), (62, 1151588), (74, 964844), (124, 575794), (148, 482422), (248, 287897), (251, 284456), (296, 241211), (502, 142228), (961, 74296), (1004, 71114), (1147, 62248), (1922, 37148), (2008, 35557), (2294, 31124), (3844, 18574), (4588, 15562), (7688, 9287), (7781, 9176)]