181880426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 356832000

約数和(自身を除く): 174951574

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 149, 182, 247, 266, 298, 353, 494, 706, 1043, 1729, 1937, 2086, 2471, 2831, 3458, 3874, 4589, 4942, 5662, 6707, 9178, 13414, 13559, 19817, 27118, 32123, 36803, 39634, 46949, 52597, 64246, 73606, 87191, 93898, 105194, 174382, 257621, 368179, 515242, 610337, 683761, 736358, 999343, 1220674, 1367522, 1998686, 4786327, 6995401, 9572654, 12991459, 13990802, 25982918, 90940213, 181880426]

約数ペア:

[(1, 181880426), (2, 90940213), (7, 25982918), (13, 13990802), (14, 12991459), (19, 9572654), (26, 6995401), (38, 4786327), (91, 1998686), (133, 1367522), (149, 1220674), (182, 999343), (247, 736358), (266, 683761), (298, 610337), (353, 515242), (494, 368179), (706, 257621), (1043, 174382), (1729, 105194), (1937, 93898), (2086, 87191), (2471, 73606), (2831, 64246), (3458, 52597), (3874, 46949), (4589, 39634), (4942, 36803), (5662, 32123), (6707, 27118), (9178, 19817), (13414, 13559)]