489857992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{21313}}^1$

素因数の和:21362

約数の個数: 48

約数和(自身を含む): 1053124740

約数和(自身を除く): 563266748

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5746, 11492, 21313, 22984, 42626, 85252, 170504, 277069, 362321, 554138, 724642, 1108276, 1449284, 2216552, 2898568, 3601897, 4710173, 7203794, 9420346, 14407588, 18840692, 28815176, 37681384, 61232249, 122464498, 244928996, 489857992]

約数ペア:

[(1, 489857992), (2, 244928996), (4, 122464498), (8, 61232249), (13, 37681384), (17, 28815176), (26, 18840692), (34, 14407588), (52, 9420346), (68, 7203794), (104, 4710173), (136, 3601897), (169, 2898568), (221, 2216552), (338, 1449284), (442, 1108276), (676, 724642), (884, 554138), (1352, 362321), (1768, 277069), (2873, 170504), (5746, 85252), (11492, 42626), (21313, 22984)]