216881028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 680010240

約数和(自身を除く): 463129212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 239, 252, 273, 277, 364, 468, 478, 546, 554, 717, 819, 831, 956, 1092, 1108, 1434, 1638, 1662, 1673, 1939, 2151, 2493, 2868, 3107, 3276, 3324, 3346, 3601, 3878, 4302, 4986, 5019, 5817, 6214, 6692, 7202, 7756, 8604, 9321, 9972, 10038, 10803, 11634, 12428, 14404, 15057, 17451, 18642, 20076, 21606, 21749, 23268, 25207, 27963, 30114, 32409, 34902, 37284, 43212, 43498, 50414, 55926, 60228, 64818, 65247, 66203, 69804, 75621, 86996, 100828, 111852, 129636, 130494, 132406, 151242, 195741, 198609, 226863, 260988, 264812, 302484, 391482, 397218, 453726, 463421, 595827, 782964, 794436, 860639, 907452, 926842, 1191654, 1390263, 1721278, 1853684, 2383308, 2581917, 2780526, 3442556, 4170789, 5163834, 5561052, 6024473, 7745751, 8341578, 10327668, 12048946, 15491502, 16683156, 18073419, 24097892, 30983004, 36146838, 54220257, 72293676, 108440514, 216881028]

約数ペア:

[(1, 216881028), (2, 108440514), (3, 72293676), (4, 54220257), (6, 36146838), (7, 30983004), (9, 24097892), (12, 18073419), (13, 16683156), (14, 15491502), (18, 12048946), (21, 10327668), (26, 8341578), (28, 7745751), (36, 6024473), (39, 5561052), (42, 5163834), (52, 4170789), (63, 3442556), (78, 2780526), (84, 2581917), (91, 2383308), (117, 1853684), (126, 1721278), (156, 1390263), (182, 1191654), (234, 926842), (239, 907452), (252, 860639), (273, 794436), (277, 782964), (364, 595827), (468, 463421), (478, 453726), (546, 397218), (554, 391482), (717, 302484), (819, 264812), (831, 260988), (956, 226863), (1092, 198609), (1108, 195741), (1434, 151242), (1638, 132406), (1662, 130494), (1673, 129636), (1939, 111852), (2151, 100828), (2493, 86996), (2868, 75621), (3107, 69804), (3276, 66203), (3324, 65247), (3346, 64818), (3601, 60228), (3878, 55926), (4302, 50414), (4986, 43498), (5019, 43212), (5817, 37284), (6214, 34902), (6692, 32409), (7202, 30114), (7756, 27963), (8604, 25207), (9321, 23268), (9972, 21749), (10038, 21606), (10803, 20076), (11634, 18642), (12428, 17451), (14404, 15057)]