81684176

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2488

約数の個数: 60

約数和(自身を含む): 188461152

約数和(自身を除く): 106776976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 602, 688, 784, 1204, 2107, 2408, 2423, 4214, 4816, 4846, 8428, 9692, 16856, 16961, 19384, 33712, 33922, 38768, 67844, 104189, 118727, 135688, 208378, 237454, 271376, 416756, 474908, 729323, 833512, 949816, 1458646, 1667024, 1899632, 2917292, 5105261, 5834584, 10210522, 11669168, 20421044, 40842088, 81684176]

約数ペア:

[(1, 81684176), (2, 40842088), (4, 20421044), (7, 11669168), (8, 10210522), (14, 5834584), (16, 5105261), (28, 2917292), (43, 1899632), (49, 1667024), (56, 1458646), (86, 949816), (98, 833512), (112, 729323), (172, 474908), (196, 416756), (301, 271376), (344, 237454), (392, 208378), (602, 135688), (688, 118727), (784, 104189), (1204, 67844), (2107, 38768), (2408, 33922), (2423, 33712), (4214, 19384), (4816, 16961), (4846, 16856), (8428, 9692)]