1209306716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 2215382400

約数和(自身を除く): 1006075684

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 269, 443, 538, 886, 1076, 1772, 2537, 5074, 10148, 11567, 15871, 19049, 23134, 26137, 31742, 38098, 46268, 52274, 63484, 76196, 104548, 119167, 238334, 476668, 682453, 1123891, 1364906, 2247782, 2729812, 4495564, 5124181, 7030853, 10248362, 14061706, 20496724, 28123412, 302326679, 604653358, 1209306716]

約数ペア:

[(1, 1209306716), (2, 604653358), (4, 302326679), (43, 28123412), (59, 20496724), (86, 14061706), (118, 10248362), (172, 7030853), (236, 5124181), (269, 4495564), (443, 2729812), (538, 2247782), (886, 1364906), (1076, 1123891), (1772, 682453), (2537, 476668), (5074, 238334), (10148, 119167), (11567, 104548), (15871, 76196), (19049, 63484), (23134, 52274), (26137, 46268), (31742, 38098)]