221749668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16603}}^1$

素因数の和:16673

約数の個数: 72

約数和(自身を含む): 652736448

約数和(自身を除く): 430986780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 16603, 33206, 49809, 66412, 99618, 116221, 149427, 199236, 232442, 298854, 348663, 464884, 597708, 697326, 879959, 1045989, 1394652, 1759918, 2091978, 2639877, 3519836, 4183956, 5279754, 6159713, 7919631, 10559508, 12319426, 15839262, 18479139, 24638852, 31678524, 36958278, 55437417, 73916556, 110874834, 221749668]

約数ペア:

[(1, 221749668), (2, 110874834), (3, 73916556), (4, 55437417), (6, 36958278), (7, 31678524), (9, 24638852), (12, 18479139), (14, 15839262), (18, 12319426), (21, 10559508), (28, 7919631), (36, 6159713), (42, 5279754), (53, 4183956), (63, 3519836), (84, 2639877), (106, 2091978), (126, 1759918), (159, 1394652), (212, 1045989), (252, 879959), (318, 697326), (371, 597708), (477, 464884), (636, 348663), (742, 298854), (954, 232442), (1113, 199236), (1484, 149427), (1908, 116221), (2226, 99618), (3339, 66412), (4452, 49809), (6678, 33206), (13356, 16603)]