28019628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2884

約数の個数: 96

約数和(自身を含む): 89438720

約数和(自身を除く): 61419092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2457, 2851, 3276, 4914, 5702, 8553, 9828, 11404, 17106, 19957, 25659, 34212, 37063, 39914, 51318, 59871, 74126, 76977, 79828, 102636, 111189, 119742, 148252, 153954, 179613, 222378, 239484, 259441, 307908, 333567, 359226, 444756, 518882, 538839, 667134, 718452, 778323, 1000701, 1037764, 1077678, 1334268, 1556646, 2001402, 2155356, 2334969, 3113292, 4002804, 4669938, 7004907, 9339876, 14009814, 28019628]

約数ペア:

[(1, 28019628), (2, 14009814), (3, 9339876), (4, 7004907), (6, 4669938), (7, 4002804), (9, 3113292), (12, 2334969), (13, 2155356), (14, 2001402), (18, 1556646), (21, 1334268), (26, 1077678), (27, 1037764), (28, 1000701), (36, 778323), (39, 718452), (42, 667134), (52, 538839), (54, 518882), (63, 444756), (78, 359226), (84, 333567), (91, 307908), (108, 259441), (117, 239484), (126, 222378), (156, 179613), (182, 153954), (189, 148252), (234, 119742), (252, 111189), (273, 102636), (351, 79828), (364, 76977), (378, 74126), (468, 59871), (546, 51318), (702, 39914), (756, 37063), (819, 34212), (1092, 25659), (1404, 19957), (1638, 17106), (2457, 11404), (2851, 9828), (3276, 8553), (4914, 5702)]