28999572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 79480800

約数和(自身を除く): 50481228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 294, 298, 331, 447, 588, 596, 662, 894, 993, 1043, 1324, 1788, 1986, 2086, 2317, 3129, 3972, 4172, 4634, 6258, 6951, 7301, 9268, 12516, 13902, 14602, 16219, 21903, 27804, 29204, 32438, 43806, 48657, 49319, 64876, 87612, 97314, 98638, 147957, 194628, 197276, 295914, 345233, 591828, 690466, 1035699, 1380932, 2071398, 2416631, 4142796, 4833262, 7249893, 9666524, 14499786, 28999572]

約数ペア:

[(1, 28999572), (2, 14499786), (3, 9666524), (4, 7249893), (6, 4833262), (7, 4142796), (12, 2416631), (14, 2071398), (21, 1380932), (28, 1035699), (42, 690466), (49, 591828), (84, 345233), (98, 295914), (147, 197276), (149, 194628), (196, 147957), (294, 98638), (298, 97314), (331, 87612), (447, 64876), (588, 49319), (596, 48657), (662, 43806), (894, 32438), (993, 29204), (1043, 27804), (1324, 21903), (1788, 16219), (1986, 14602), (2086, 13902), (2317, 12516), (3129, 9268), (3972, 7301), (4172, 6951), (4634, 6258)]