28860876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2403

約数の個数: 72

約数和(自身を含む): 82188288

約数和(自身を除く): 53327412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 2351, 3069, 4092, 4702, 6138, 7053, 9404, 12276, 14106, 21159, 25861, 28212, 42318, 51722, 72881, 77583, 84636, 103444, 145762, 155166, 218643, 232749, 291524, 310332, 437286, 465498, 655929, 801691, 874572, 930996, 1311858, 1603382, 2405073, 2623716, 3206764, 4810146, 7215219, 9620292, 14430438, 28860876]

約数ペア:

[(1, 28860876), (2, 14430438), (3, 9620292), (4, 7215219), (6, 4810146), (9, 3206764), (11, 2623716), (12, 2405073), (18, 1603382), (22, 1311858), (31, 930996), (33, 874572), (36, 801691), (44, 655929), (62, 465498), (66, 437286), (93, 310332), (99, 291524), (124, 232749), (132, 218643), (186, 155166), (198, 145762), (279, 103444), (341, 84636), (372, 77583), (396, 72881), (558, 51722), (682, 42318), (1023, 28212), (1116, 25861), (1364, 21159), (2046, 14106), (2351, 12276), (3069, 9404), (4092, 7053), (4702, 6138)]