209339572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 403603200

約数和(自身を除く): 194263628

約数列:

[1, 2, 4, 13, 26, 52, 79, 131, 158, 262, 316, 389, 524, 778, 1027, 1556, 1703, 2054, 3406, 4108, 5057, 6812, 10114, 10349, 20228, 20698, 30731, 41396, 50959, 61462, 101918, 122924, 134537, 203836, 269074, 399503, 538148, 662467, 799006, 1324934, 1598012, 2649868, 4025761, 8051522, 16103044, 52334893, 104669786, 209339572]

約数ペア:

[(1, 209339572), (2, 104669786), (4, 52334893), (13, 16103044), (26, 8051522), (52, 4025761), (79, 2649868), (131, 1598012), (158, 1324934), (262, 799006), (316, 662467), (389, 538148), (524, 399503), (778, 269074), (1027, 203836), (1556, 134537), (1703, 122924), (2054, 101918), (3406, 61462), (4108, 50959), (5057, 41396), (6812, 30731), (10114, 20698), (10349, 20228)]