256714332

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1319}}^1$

素因数の和:1671

約数の個数: 72

約数和(自身を含む): 699431040

約数和(自身を除く): 442716708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 331, 588, 662, 993, 1319, 1324, 1986, 2317, 2638, 3957, 3972, 4634, 5276, 6951, 7914, 9233, 9268, 13902, 15828, 16219, 18466, 27699, 27804, 32438, 36932, 48657, 55398, 64631, 64876, 97314, 110796, 129262, 193893, 194628, 258524, 387786, 436589, 775572, 873178, 1309767, 1746356, 2619534, 3056123, 5239068, 6112246, 9168369, 12224492, 18336738, 21392861, 36673476, 42785722, 64178583, 85571444, 128357166, 256714332]

約数ペア:

[(1, 256714332), (2, 128357166), (3, 85571444), (4, 64178583), (6, 42785722), (7, 36673476), (12, 21392861), (14, 18336738), (21, 12224492), (28, 9168369), (42, 6112246), (49, 5239068), (84, 3056123), (98, 2619534), (147, 1746356), (196, 1309767), (294, 873178), (331, 775572), (588, 436589), (662, 387786), (993, 258524), (1319, 194628), (1324, 193893), (1986, 129262), (2317, 110796), (2638, 97314), (3957, 64876), (3972, 64631), (4634, 55398), (5276, 48657), (6951, 36932), (7914, 32438), (9233, 27804), (9268, 27699), (13902, 18466), (15828, 16219)]