28905786

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2556

約数の個数: 72

約数和(自身を含む): 78489684

約数和(自身を除く): 49583898

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2521, 3822, 5042, 5733, 7563, 11466, 15126, 17647, 22689, 32773, 35294, 45378, 52941, 65546, 98319, 105882, 123529, 158823, 196638, 229411, 247058, 294957, 317646, 370587, 458822, 589914, 688233, 741174, 1111761, 1376466, 1605877, 2064699, 2223522, 3211754, 4129398, 4817631, 9635262, 14452893, 28905786]

約数ペア:

[(1, 28905786), (2, 14452893), (3, 9635262), (6, 4817631), (7, 4129398), (9, 3211754), (13, 2223522), (14, 2064699), (18, 1605877), (21, 1376466), (26, 1111761), (39, 741174), (42, 688233), (49, 589914), (63, 458822), (78, 370587), (91, 317646), (98, 294957), (117, 247058), (126, 229411), (147, 196638), (182, 158823), (234, 123529), (273, 105882), (294, 98319), (441, 65546), (546, 52941), (637, 45378), (819, 35294), (882, 32773), (1274, 22689), (1638, 17647), (1911, 15126), (2521, 11466), (3822, 7563), (5042, 5733)]