31575856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 38419664

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 59, 62, 83, 104, 118, 124, 166, 208, 236, 248, 332, 403, 472, 496, 664, 767, 806, 944, 1079, 1328, 1534, 1612, 1829, 2158, 2573, 3068, 3224, 3658, 4316, 4897, 5146, 6136, 6448, 7316, 8632, 9794, 10292, 12272, 14632, 17264, 19588, 20584, 23777, 29264, 33449, 39176, 41168, 47554, 63661, 66898, 78352, 95108, 127322, 133796, 151807, 190216, 254644, 267592, 303614, 380432, 509288, 535184, 607228, 1018576, 1214456, 1973491, 2428912, 3946982, 7893964, 15787928, 31575856]

約数ペア:

[(1, 31575856), (2, 15787928), (4, 7893964), (8, 3946982), (13, 2428912), (16, 1973491), (26, 1214456), (31, 1018576), (52, 607228), (59, 535184), (62, 509288), (83, 380432), (104, 303614), (118, 267592), (124, 254644), (166, 190216), (208, 151807), (236, 133796), (248, 127322), (332, 95108), (403, 78352), (472, 66898), (496, 63661), (664, 47554), (767, 41168), (806, 39176), (944, 33449), (1079, 29264), (1328, 23777), (1534, 20584), (1612, 19588), (1829, 17264), (2158, 14632), (2573, 12272), (3068, 10292), (3224, 9794), (3658, 8632), (4316, 7316), (4897, 6448), (5146, 6136)]