28819644

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 81664128

約数和(自身を除く): 52844484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1932, 2131, 2254, 3381, 4262, 4508, 6393, 6762, 8524, 12786, 13524, 14917, 25572, 29834, 44751, 49013, 59668, 89502, 98026, 104419, 147039, 179004, 196052, 208838, 294078, 313257, 343091, 417676, 588156, 626514, 686182, 1029273, 1253028, 1372364, 2058546, 2401637, 4117092, 4803274, 7204911, 9606548, 14409822, 28819644]

約数ペア:

[(1, 28819644), (2, 14409822), (3, 9606548), (4, 7204911), (6, 4803274), (7, 4117092), (12, 2401637), (14, 2058546), (21, 1372364), (23, 1253028), (28, 1029273), (42, 686182), (46, 626514), (49, 588156), (69, 417676), (84, 343091), (92, 313257), (98, 294078), (138, 208838), (147, 196052), (161, 179004), (196, 147039), (276, 104419), (294, 98026), (322, 89502), (483, 59668), (588, 49013), (644, 44751), (966, 29834), (1127, 25572), (1932, 14917), (2131, 13524), (2254, 12786), (3381, 8524), (4262, 6762), (4508, 6393)]