28969668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 92951040

約数和(自身を除く): 63981372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 52, 63, 74, 78, 84, 91, 111, 117, 126, 148, 156, 182, 222, 234, 239, 252, 259, 273, 333, 364, 444, 468, 478, 481, 518, 546, 666, 717, 777, 819, 956, 962, 1036, 1092, 1332, 1434, 1443, 1554, 1638, 1673, 1924, 2151, 2331, 2868, 2886, 3107, 3108, 3276, 3346, 3367, 4302, 4329, 4662, 5019, 5772, 6214, 6692, 6734, 8604, 8658, 8843, 9321, 9324, 10038, 10101, 12428, 13468, 15057, 17316, 17686, 18642, 20076, 20202, 21749, 26529, 27963, 30114, 30303, 35372, 37284, 40404, 43498, 53058, 55926, 60228, 60606, 61901, 65247, 79587, 86996, 106116, 111852, 114959, 121212, 123802, 130494, 159174, 185703, 195741, 229918, 247604, 260988, 318348, 344877, 371406, 391482, 459836, 557109, 689754, 742812, 782964, 804713, 1034631, 1114218, 1379508, 1609426, 2069262, 2228436, 2414139, 3218852, 4138524, 4828278, 7242417, 9656556, 14484834, 28969668]

約数ペア:

[(1, 28969668), (2, 14484834), (3, 9656556), (4, 7242417), (6, 4828278), (7, 4138524), (9, 3218852), (12, 2414139), (13, 2228436), (14, 2069262), (18, 1609426), (21, 1379508), (26, 1114218), (28, 1034631), (36, 804713), (37, 782964), (39, 742812), (42, 689754), (52, 557109), (63, 459836), (74, 391482), (78, 371406), (84, 344877), (91, 318348), (111, 260988), (117, 247604), (126, 229918), (148, 195741), (156, 185703), (182, 159174), (222, 130494), (234, 123802), (239, 121212), (252, 114959), (259, 111852), (273, 106116), (333, 86996), (364, 79587), (444, 65247), (468, 61901), (478, 60606), (481, 60228), (518, 55926), (546, 53058), (666, 43498), (717, 40404), (777, 37284), (819, 35372), (956, 30303), (962, 30114), (1036, 27963), (1092, 26529), (1332, 21749), (1434, 20202), (1443, 20076), (1554, 18642), (1638, 17686), (1673, 17316), (1924, 15057), (2151, 13468), (2331, 12428), (2868, 10101), (2886, 10038), (3107, 9324), (3108, 9321), (3276, 8843), (3346, 8658), (3367, 8604), (4302, 6734), (4329, 6692), (4662, 6214), (5019, 5772)]