28255164

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 79385040

約数和(自身を除く): 51129876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1421, 1657, 2436, 2842, 3314, 4263, 4971, 5684, 6628, 8526, 9942, 11599, 17052, 19884, 23198, 34797, 46396, 48053, 69594, 81193, 96106, 139188, 144159, 162386, 192212, 243579, 288318, 324772, 336371, 487158, 576636, 672742, 974316, 1009113, 1345484, 2018226, 2354597, 4036452, 4709194, 7063791, 9418388, 14127582, 28255164]

約数ペア:

[(1, 28255164), (2, 14127582), (3, 9418388), (4, 7063791), (6, 4709194), (7, 4036452), (12, 2354597), (14, 2018226), (21, 1345484), (28, 1009113), (29, 974316), (42, 672742), (49, 576636), (58, 487158), (84, 336371), (87, 324772), (98, 288318), (116, 243579), (147, 192212), (174, 162386), (196, 144159), (203, 139188), (294, 96106), (348, 81193), (406, 69594), (588, 48053), (609, 46396), (812, 34797), (1218, 23198), (1421, 19884), (1657, 17052), (2436, 11599), (2842, 9942), (3314, 8526), (4263, 6628), (4971, 5684)]