251943848

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{607}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 514039680

約数和(自身を除く): 262095832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 307, 338, 607, 614, 676, 1214, 1228, 1352, 2428, 2456, 3991, 4856, 7891, 7982, 15782, 15964, 31564, 31928, 51883, 63128, 102583, 103766, 186349, 205166, 207532, 372698, 410332, 415064, 745396, 820664, 1490792, 2422537, 4845074, 9690148, 19380296, 31492981, 62985962, 125971924, 251943848]

約数ペア:

[(1, 251943848), (2, 125971924), (4, 62985962), (8, 31492981), (13, 19380296), (26, 9690148), (52, 4845074), (104, 2422537), (169, 1490792), (307, 820664), (338, 745396), (607, 415064), (614, 410332), (676, 372698), (1214, 207532), (1228, 205166), (1352, 186349), (2428, 103766), (2456, 102583), (3991, 63128), (4856, 51883), (7891, 31928), (7982, 31564), (15782, 15964)]