218345512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2791}}^1$

素因数の和:2942

約数の個数: 64

約数和(自身を含む): 514621440

約数和(自身を除く): 296275928

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 254, 308, 508, 616, 889, 1016, 1397, 1778, 2791, 2794, 3556, 5582, 5588, 7112, 9779, 11164, 11176, 19537, 19558, 22328, 30701, 39074, 39116, 61402, 78148, 78232, 122804, 156296, 214907, 245608, 354457, 429814, 708914, 859628, 1417828, 1719256, 2481199, 2835656, 3899027, 4962398, 7798054, 9924796, 15596108, 19849592, 27293189, 31192216, 54586378, 109172756, 218345512]

約数ペア:

[(1, 218345512), (2, 109172756), (4, 54586378), (7, 31192216), (8, 27293189), (11, 19849592), (14, 15596108), (22, 9924796), (28, 7798054), (44, 4962398), (56, 3899027), (77, 2835656), (88, 2481199), (127, 1719256), (154, 1417828), (254, 859628), (308, 708914), (508, 429814), (616, 354457), (889, 245608), (1016, 214907), (1397, 156296), (1778, 122804), (2791, 78232), (2794, 78148), (3556, 61402), (5582, 39116), (5588, 39074), (7112, 30701), (9779, 22328), (11164, 19558), (11176, 19537)]