78301782

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 190149120

約数和(自身を除く): 111847338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 639, 702, 923, 1278, 1571, 1846, 1917, 2769, 3142, 3834, 4713, 5538, 8307, 9426, 14139, 16614, 20423, 24921, 28278, 40846, 42417, 49842, 61269, 84834, 111541, 122538, 183807, 223082, 334623, 367614, 551421, 669246, 1003869, 1102842, 1450033, 2007738, 2900066, 3011607, 4350099, 6023214, 8700198, 13050297, 26100594, 39150891, 78301782]

約数ペア:

[(1, 78301782), (2, 39150891), (3, 26100594), (6, 13050297), (9, 8700198), (13, 6023214), (18, 4350099), (26, 3011607), (27, 2900066), (39, 2007738), (54, 1450033), (71, 1102842), (78, 1003869), (117, 669246), (142, 551421), (213, 367614), (234, 334623), (351, 223082), (426, 183807), (639, 122538), (702, 111541), (923, 84834), (1278, 61269), (1571, 49842), (1846, 42417), (1917, 40846), (2769, 28278), (3142, 24921), (3834, 20423), (4713, 16614), (5538, 14139), (8307, 9426)]