28540428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8287}}^1$

素因数の和:8342

約数の個数: 48

約数和(自身を含む): 77973504

約数和(自身を除く): 49433076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 8287, 16574, 24861, 33148, 49722, 58009, 99444, 116018, 174027, 232036, 339767, 348054, 679534, 696108, 1019301, 1359068, 2038602, 2378369, 4077204, 4756738, 7135107, 9513476, 14270214, 28540428]

約数ペア:

[(1, 28540428), (2, 14270214), (3, 9513476), (4, 7135107), (6, 4756738), (7, 4077204), (12, 2378369), (14, 2038602), (21, 1359068), (28, 1019301), (41, 696108), (42, 679534), (82, 348054), (84, 339767), (123, 232036), (164, 174027), (246, 116018), (287, 99444), (492, 58009), (574, 49722), (861, 33148), (1148, 24861), (1722, 16574), (3444, 8287)]