27788488

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 128

約数和(自身を含む): 70560000

約数和(自身を除く): 42771512

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 41, 49, 52, 56, 76, 82, 91, 98, 104, 133, 152, 164, 182, 196, 247, 266, 287, 328, 343, 364, 392, 494, 532, 533, 574, 637, 686, 728, 779, 931, 988, 1064, 1066, 1148, 1274, 1372, 1558, 1729, 1862, 1976, 2009, 2132, 2296, 2548, 2744, 3116, 3458, 3724, 3731, 4018, 4264, 4459, 5096, 5453, 6232, 6517, 6916, 7448, 7462, 8036, 8918, 10127, 10906, 12103, 13034, 13832, 14063, 14924, 16072, 17836, 20254, 21812, 24206, 26068, 26117, 28126, 29848, 35672, 38171, 40508, 43624, 48412, 52136, 52234, 56252, 70889, 76342, 81016, 84721, 96824, 104468, 112504, 141778, 152684, 169442, 182819, 208936, 267197, 283556, 305368, 338884, 365638, 496223, 534394, 567112, 677768, 731276, 992446, 1068788, 1462552, 1984892, 2137576, 3473561, 3969784, 6947122, 13894244, 27788488]

約数ペア:

[(1, 27788488), (2, 13894244), (4, 6947122), (7, 3969784), (8, 3473561), (13, 2137576), (14, 1984892), (19, 1462552), (26, 1068788), (28, 992446), (38, 731276), (41, 677768), (49, 567112), (52, 534394), (56, 496223), (76, 365638), (82, 338884), (91, 305368), (98, 283556), (104, 267197), (133, 208936), (152, 182819), (164, 169442), (182, 152684), (196, 141778), (247, 112504), (266, 104468), (287, 96824), (328, 84721), (343, 81016), (364, 76342), (392, 70889), (494, 56252), (532, 52234), (533, 52136), (574, 48412), (637, 43624), (686, 40508), (728, 38171), (779, 35672), (931, 29848), (988, 28126), (1064, 26117), (1066, 26068), (1148, 24206), (1274, 21812), (1372, 20254), (1558, 17836), (1729, 16072), (1862, 14924), (1976, 14063), (2009, 13832), (2132, 13034), (2296, 12103), (2548, 10906), (2744, 10127), (3116, 8918), (3458, 8036), (3724, 7462), (3731, 7448), (4018, 6916), (4264, 6517), (4459, 6232), (5096, 5453)]