78438492

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{1637}}^1$

素因数の和:1680

約数の個数: 72

約数和(自身を含む): 218220912

約数和(自身を除く): 139782420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1331, 1452, 1637, 2178, 2662, 3274, 3993, 4356, 4911, 5324, 6548, 7986, 9822, 11979, 14733, 15972, 18007, 19644, 23958, 29466, 36014, 47916, 54021, 58932, 72028, 108042, 162063, 198077, 216084, 324126, 396154, 594231, 648252, 792308, 1188462, 1782693, 2178847, 2376924, 3565386, 4357694, 6536541, 7130772, 8715388, 13073082, 19609623, 26146164, 39219246, 78438492]

約数ペア:

[(1, 78438492), (2, 39219246), (3, 26146164), (4, 19609623), (6, 13073082), (9, 8715388), (11, 7130772), (12, 6536541), (18, 4357694), (22, 3565386), (33, 2376924), (36, 2178847), (44, 1782693), (66, 1188462), (99, 792308), (121, 648252), (132, 594231), (198, 396154), (242, 324126), (363, 216084), (396, 198077), (484, 162063), (726, 108042), (1089, 72028), (1331, 58932), (1452, 54021), (1637, 47916), (2178, 36014), (2662, 29466), (3274, 23958), (3993, 19644), (4356, 18007), (4911, 15972), (5324, 14733), (6548, 11979), (7986, 9822)]