1287788164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{2393}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 2477502720

約数和(自身を除く): 1189714556

約数列:

[1, 2, 4, 13, 26, 52, 79, 131, 158, 262, 316, 524, 1027, 1703, 2054, 2393, 3406, 4108, 4786, 6812, 9572, 10349, 20698, 31109, 41396, 62218, 124436, 134537, 189047, 269074, 313483, 378094, 538148, 626966, 756188, 1253932, 2457611, 4075279, 4915222, 8150558, 9830444, 16301116, 24765157, 49530314, 99060628, 321947041, 643894082, 1287788164]

約数ペア:

[(1, 1287788164), (2, 643894082), (4, 321947041), (13, 99060628), (26, 49530314), (52, 24765157), (79, 16301116), (131, 9830444), (158, 8150558), (262, 4915222), (316, 4075279), (524, 2457611), (1027, 1253932), (1703, 756188), (2054, 626966), (2393, 538148), (3406, 378094), (4108, 313483), (4786, 269074), (6812, 189047), (9572, 134537), (10349, 124436), (20698, 62218), (31109, 41396)]