128571892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 240166080

約数和(自身を除く): 111594188

約数列:

[1, 2, 4, 37, 43, 74, 86, 89, 148, 172, 178, 227, 356, 454, 908, 1591, 3182, 3293, 3827, 6364, 6586, 7654, 8399, 9761, 13172, 15308, 16798, 19522, 20203, 33596, 39044, 40406, 80812, 141599, 283198, 361157, 566396, 722314, 747511, 868729, 1444628, 1495022, 1737458, 2990044, 3474916, 32142973, 64285946, 128571892]

約数ペア:

[(1, 128571892), (2, 64285946), (4, 32142973), (37, 3474916), (43, 2990044), (74, 1737458), (86, 1495022), (89, 1444628), (148, 868729), (172, 747511), (178, 722314), (227, 566396), (356, 361157), (454, 283198), (908, 141599), (1591, 80812), (3182, 40406), (3293, 39044), (3827, 33596), (6364, 20203), (6586, 19522), (7654, 16798), (8399, 15308), (9761, 13172)]