161650216

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31721}}^1$

素因数の和:31754

約数の個数: 48

約数和(自身を含む): 379712340

約数和(自身を除く): 218062124

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 31721, 63442, 126884, 222047, 253768, 412373, 444094, 824746, 888188, 1554329, 1649492, 1776376, 2886611, 3108658, 3298984, 5773222, 6217316, 11546444, 12434632, 20206277, 23092888, 40412554, 80825108, 161650216]

約数ペア:

[(1, 161650216), (2, 80825108), (4, 40412554), (7, 23092888), (8, 20206277), (13, 12434632), (14, 11546444), (26, 6217316), (28, 5773222), (49, 3298984), (52, 3108658), (56, 2886611), (91, 1776376), (98, 1649492), (104, 1554329), (182, 888188), (196, 824746), (364, 444094), (392, 412373), (637, 253768), (728, 222047), (1274, 126884), (2548, 63442), (5096, 31721)]