221569872788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1\times {\mathrm{35053}}^1$

素因数の和:42648

約数の個数: 48

約数和(自身を含む): 445331624640

約数和(自身を除く): 223761751852

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 7561, 15122, 30244, 35053, 70106, 83171, 140212, 143659, 166342, 287318, 332684, 385583, 574636, 666007, 771166, 1332014, 1542332, 1580249, 2664028, 3160498, 6320996, 7326077, 14652154, 29304308, 265035733, 530071466, 1060142932, 2915393063, 5035678927, 5830786126, 10071357854, 11661572252, 20142715708, 55392468197, 110784936394, 221569872788]

約数ペア:

[(1, 221569872788), (2, 110784936394), (4, 55392468197), (11, 20142715708), (19, 11661572252), (22, 10071357854), (38, 5830786126), (44, 5035678927), (76, 2915393063), (209, 1060142932), (418, 530071466), (836, 265035733), (7561, 29304308), (15122, 14652154), (30244, 7326077), (35053, 6320996), (70106, 3160498), (83171, 2664028), (140212, 1580249), (143659, 1542332), (166342, 1332014), (287318, 771166), (332684, 666007), (385583, 574636)]