128727736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 267033600

約数和(自身を除く): 138305864

約数列:

[1, 2, 4, 8, 19, 37, 38, 47, 74, 76, 94, 148, 152, 188, 296, 376, 487, 703, 893, 974, 1406, 1739, 1786, 1948, 2812, 3478, 3572, 3896, 5624, 6956, 7144, 9253, 13912, 18019, 18506, 22889, 33041, 36038, 37012, 45778, 66082, 72076, 74024, 91556, 132164, 144152, 183112, 264328, 342361, 434891, 684722, 846893, 869782, 1369444, 1693786, 1739564, 2738888, 3387572, 3479128, 6775144, 16090967, 32181934, 64363868, 128727736]

約数ペア:

[(1, 128727736), (2, 64363868), (4, 32181934), (8, 16090967), (19, 6775144), (37, 3479128), (38, 3387572), (47, 2738888), (74, 1739564), (76, 1693786), (94, 1369444), (148, 869782), (152, 846893), (188, 684722), (296, 434891), (376, 342361), (487, 264328), (703, 183112), (893, 144152), (974, 132164), (1406, 91556), (1739, 74024), (1786, 72076), (1948, 66082), (2812, 45778), (3478, 37012), (3572, 36038), (3896, 33041), (5624, 22889), (6956, 18506), (7144, 18019), (9253, 13912)]