28415688

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 84022560

約数和(自身を除く): 55606872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 73, 84, 98, 146, 147, 168, 196, 219, 292, 294, 331, 392, 438, 511, 584, 588, 662, 876, 993, 1022, 1176, 1324, 1533, 1752, 1986, 2044, 2317, 2648, 3066, 3577, 3972, 4088, 4634, 6132, 6951, 7154, 7944, 9268, 10731, 12264, 13902, 14308, 16219, 18536, 21462, 24163, 27804, 28616, 32438, 42924, 48326, 48657, 55608, 64876, 72489, 85848, 96652, 97314, 129752, 144978, 169141, 193304, 194628, 289956, 338282, 389256, 507423, 579912, 676564, 1014846, 1183987, 1353128, 2029692, 2367974, 3551961, 4059384, 4735948, 7103922, 9471896, 14207844, 28415688]

約数ペア:

[(1, 28415688), (2, 14207844), (3, 9471896), (4, 7103922), (6, 4735948), (7, 4059384), (8, 3551961), (12, 2367974), (14, 2029692), (21, 1353128), (24, 1183987), (28, 1014846), (42, 676564), (49, 579912), (56, 507423), (73, 389256), (84, 338282), (98, 289956), (146, 194628), (147, 193304), (168, 169141), (196, 144978), (219, 129752), (292, 97314), (294, 96652), (331, 85848), (392, 72489), (438, 64876), (511, 55608), (584, 48657), (588, 48326), (662, 42924), (876, 32438), (993, 28616), (1022, 27804), (1176, 24163), (1324, 21462), (1533, 18536), (1752, 16219), (1986, 14308), (2044, 13902), (2317, 12264), (2648, 10731), (3066, 9268), (3577, 7944), (3972, 7154), (4088, 6951), (4634, 6132)]