28926968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 67430400

約数和(自身を除く): 38503432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 877, 1064, 1178, 1736, 1754, 2356, 3508, 4123, 4712, 6139, 7016, 8246, 12278, 16492, 16663, 24556, 27187, 32984, 33326, 49112, 54374, 66652, 108748, 116641, 133304, 190309, 217496, 233282, 380618, 466564, 516553, 761236, 933128, 1033106, 1522472, 2066212, 3615871, 4132424, 7231742, 14463484, 28926968]

約数ペア:

[(1, 28926968), (2, 14463484), (4, 7231742), (7, 4132424), (8, 3615871), (14, 2066212), (19, 1522472), (28, 1033106), (31, 933128), (38, 761236), (56, 516553), (62, 466564), (76, 380618), (124, 233282), (133, 217496), (152, 190309), (217, 133304), (248, 116641), (266, 108748), (434, 66652), (532, 54374), (589, 49112), (868, 33326), (877, 32984), (1064, 27187), (1178, 24556), (1736, 16663), (1754, 16492), (2356, 12278), (3508, 8246), (4123, 7016), (4712, 6139)]