65672816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 84317584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 176, 209, 304, 328, 418, 451, 479, 656, 779, 836, 902, 958, 1558, 1672, 1804, 1916, 3116, 3344, 3608, 3832, 5269, 6232, 7216, 7664, 8569, 9101, 10538, 12464, 17138, 18202, 19639, 21076, 34276, 36404, 39278, 42152, 68552, 72808, 78556, 84304, 100111, 137104, 145616, 157112, 200222, 216029, 314224, 373141, 400444, 432058, 746282, 800888, 864116, 1492564, 1601776, 1728232, 2985128, 3456464, 4104551, 5970256, 8209102, 16418204, 32836408, 65672816]

約数ペア:

[(1, 65672816), (2, 32836408), (4, 16418204), (8, 8209102), (11, 5970256), (16, 4104551), (19, 3456464), (22, 2985128), (38, 1728232), (41, 1601776), (44, 1492564), (76, 864116), (82, 800888), (88, 746282), (152, 432058), (164, 400444), (176, 373141), (209, 314224), (304, 216029), (328, 200222), (418, 157112), (451, 145616), (479, 137104), (656, 100111), (779, 84304), (836, 78556), (902, 72808), (958, 68552), (1558, 42152), (1672, 39278), (1804, 36404), (1916, 34276), (3116, 21076), (3344, 19639), (3608, 18202), (3832, 17138), (5269, 12464), (6232, 10538), (7216, 9101), (7664, 8569)]