991313092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{21601}}^1$

素因数の和:21772

約数の個数: 48

約数和(自身を含む): 2177481600

約数和(自身を除く): 1186168508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 596, 1043, 1639, 2086, 3278, 4172, 6556, 11473, 21601, 22946, 43202, 45892, 86404, 151207, 237611, 302414, 475222, 604828, 950444, 1663277, 3218549, 3326554, 6437098, 6653108, 12874196, 22529843, 35404039, 45059686, 70808078, 90119372, 141616156, 247828273, 495656546, 991313092]

約数ペア:

[(1, 991313092), (2, 495656546), (4, 247828273), (7, 141616156), (11, 90119372), (14, 70808078), (22, 45059686), (28, 35404039), (44, 22529843), (77, 12874196), (149, 6653108), (154, 6437098), (298, 3326554), (308, 3218549), (596, 1663277), (1043, 950444), (1639, 604828), (2086, 475222), (3278, 302414), (4172, 237611), (6556, 151207), (11473, 86404), (21601, 45892), (22946, 43202)]