87781956

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 223641600

約数和(自身を除く): 135859644

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 79, 87, 93, 103, 116, 124, 158, 174, 186, 206, 237, 309, 316, 348, 372, 412, 474, 618, 899, 948, 1236, 1798, 2291, 2449, 2697, 2987, 3193, 3596, 4582, 4898, 5394, 5974, 6386, 6873, 7347, 8137, 8961, 9164, 9579, 9796, 10788, 11948, 12772, 13746, 14694, 16274, 17922, 19158, 24411, 27492, 29388, 32548, 35844, 38316, 48822, 71021, 92597, 97644, 142042, 185194, 213063, 235973, 252247, 277791, 284084, 370388, 426126, 471946, 504494, 555582, 707919, 756741, 852252, 943892, 1008988, 1111164, 1415838, 1513482, 2831676, 3026964, 7315163, 14630326, 21945489, 29260652, 43890978, 87781956]

約数ペア:

[(1, 87781956), (2, 43890978), (3, 29260652), (4, 21945489), (6, 14630326), (12, 7315163), (29, 3026964), (31, 2831676), (58, 1513482), (62, 1415838), (79, 1111164), (87, 1008988), (93, 943892), (103, 852252), (116, 756741), (124, 707919), (158, 555582), (174, 504494), (186, 471946), (206, 426126), (237, 370388), (309, 284084), (316, 277791), (348, 252247), (372, 235973), (412, 213063), (474, 185194), (618, 142042), (899, 97644), (948, 92597), (1236, 71021), (1798, 48822), (2291, 38316), (2449, 35844), (2697, 32548), (2987, 29388), (3193, 27492), (3596, 24411), (4582, 19158), (4898, 17922), (5394, 16274), (5974, 14694), (6386, 13746), (6873, 12772), (7347, 11948), (8137, 10788), (8961, 9796), (9164, 9579)]