1391796

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{263}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 4213440

約数和(自身を除く): 2821644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 263, 294, 378, 441, 526, 588, 756, 789, 882, 1052, 1323, 1578, 1764, 1841, 2367, 2646, 3156, 3682, 4734, 5292, 5523, 7101, 7364, 9468, 11046, 12887, 14202, 16569, 22092, 25774, 28404, 33138, 38661, 49707, 51548, 66276, 77322, 99414, 115983, 154644, 198828, 231966, 347949, 463932, 695898, 1391796]

約数ペア:

[(1, 1391796), (2, 695898), (3, 463932), (4, 347949), (6, 231966), (7, 198828), (9, 154644), (12, 115983), (14, 99414), (18, 77322), (21, 66276), (27, 51548), (28, 49707), (36, 38661), (42, 33138), (49, 28404), (54, 25774), (63, 22092), (84, 16569), (98, 14202), (108, 12887), (126, 11046), (147, 9468), (189, 7364), (196, 7101), (252, 5523), (263, 5292), (294, 4734), (378, 3682), (441, 3156), (526, 2646), (588, 2367), (756, 1841), (789, 1764), (882, 1578), (1052, 1323)]