28597855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 15528353

約数列:

[1, 5, 11, 13, 23, 37, 47, 55, 65, 115, 143, 185, 235, 253, 299, 407, 481, 517, 611, 715, 851, 1081, 1265, 1495, 1739, 2035, 2405, 2585, 3055, 3289, 4255, 5291, 5405, 6721, 8695, 9361, 11063, 11891, 14053, 16445, 19129, 22607, 26455, 33605, 39997, 46805, 55315, 59455, 70265, 95645, 113035, 121693, 154583, 199985, 248677, 439967, 519961, 608465, 772915, 1243385, 2199835, 2599805, 5719571, 28597855]

約数ペア:

[(1, 28597855), (5, 5719571), (11, 2599805), (13, 2199835), (23, 1243385), (37, 772915), (47, 608465), (55, 519961), (65, 439967), (115, 248677), (143, 199985), (185, 154583), (235, 121693), (253, 113035), (299, 95645), (407, 70265), (481, 59455), (517, 55315), (611, 46805), (715, 39997), (851, 33605), (1081, 26455), (1265, 22607), (1495, 19129), (1739, 16445), (2035, 14053), (2405, 11891), (2585, 11063), (3055, 9361), (3289, 8695), (4255, 6721), (5291, 5405)]