388545404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1049}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 777924000

約数和(自身を除く): 389378596

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 419, 442, 838, 884, 1049, 1676, 2098, 4196, 5447, 7123, 10894, 13637, 14246, 17833, 21788, 27274, 28492, 35666, 54548, 71332, 92599, 185198, 231829, 370396, 439531, 463658, 879062, 927316, 1758124, 5713903, 7472027, 11427806, 14944054, 22855612, 29888108, 97136351, 194272702, 388545404]

約数ペア:

[(1, 388545404), (2, 194272702), (4, 97136351), (13, 29888108), (17, 22855612), (26, 14944054), (34, 11427806), (52, 7472027), (68, 5713903), (221, 1758124), (419, 927316), (442, 879062), (838, 463658), (884, 439531), (1049, 370396), (1676, 231829), (2098, 185198), (4196, 92599), (5447, 71332), (7123, 54548), (10894, 35666), (13637, 28492), (14246, 27274), (17833, 21788)]