203477428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 465002496

約数和(自身を除く): 261525068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 101, 124, 154, 202, 211, 217, 308, 341, 404, 422, 434, 682, 707, 844, 868, 1111, 1364, 1414, 1477, 2222, 2321, 2387, 2828, 2954, 3131, 4444, 4642, 4774, 5908, 6262, 6541, 7777, 9284, 9548, 12524, 13082, 15554, 16247, 21311, 21917, 26164, 31108, 32494, 34441, 42622, 43834, 45787, 64988, 68882, 71951, 85244, 87668, 91574, 137764, 143902, 149177, 183148, 234421, 241087, 287804, 298354, 468842, 482174, 503657, 596708, 660641, 937684, 964348, 1007314, 1321282, 1640947, 2014628, 2642564, 3281894, 4624487, 6563788, 7267051, 9248974, 14534102, 18497948, 29068204, 50869357, 101738714, 203477428]

約数ペア:

[(1, 203477428), (2, 101738714), (4, 50869357), (7, 29068204), (11, 18497948), (14, 14534102), (22, 9248974), (28, 7267051), (31, 6563788), (44, 4624487), (62, 3281894), (77, 2642564), (101, 2014628), (124, 1640947), (154, 1321282), (202, 1007314), (211, 964348), (217, 937684), (308, 660641), (341, 596708), (404, 503657), (422, 482174), (434, 468842), (682, 298354), (707, 287804), (844, 241087), (868, 234421), (1111, 183148), (1364, 149177), (1414, 143902), (1477, 137764), (2222, 91574), (2321, 87668), (2387, 85244), (2828, 71951), (2954, 68882), (3131, 64988), (4444, 45787), (4642, 43834), (4774, 42622), (5908, 34441), (6262, 32494), (6541, 31108), (7777, 26164), (9284, 21917), (9548, 21311), (12524, 16247), (13082, 15554)]