81461569304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{318817}}^1$

素因数の和:318924

約数の個数: 48

約数和(自身を含む): 164797024200

約数和(自身を除く): 83335454896

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 1681, 3116, 3362, 6232, 6724, 13448, 31939, 63878, 127756, 255512, 318817, 637634, 1275268, 2550536, 6057523, 12115046, 13071497, 24230092, 26142994, 48460184, 52285988, 104571976, 248358443, 496716886, 535931377, 993433772, 1071862754, 1986867544, 2143725508, 4287451016, 10182696163, 20365392326, 40730784652, 81461569304]

約数ペア:

[(1, 81461569304), (2, 40730784652), (4, 20365392326), (8, 10182696163), (19, 4287451016), (38, 2143725508), (41, 1986867544), (76, 1071862754), (82, 993433772), (152, 535931377), (164, 496716886), (328, 248358443), (779, 104571976), (1558, 52285988), (1681, 48460184), (3116, 26142994), (3362, 24230092), (6232, 13071497), (6724, 12115046), (13448, 6057523), (31939, 2550536), (63878, 1275268), (127756, 637634), (255512, 318817)]