9988076

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 21245952

約数和(自身を除く): 11257876

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 311, 434, 518, 622, 868, 1036, 1147, 1244, 2177, 2294, 4354, 4588, 8029, 8708, 9641, 11507, 16058, 19282, 23014, 32116, 38564, 46028, 67487, 80549, 134974, 161098, 269948, 322196, 356717, 713434, 1426868, 2497019, 4994038, 9988076]

約数ペア:

[(1, 9988076), (2, 4994038), (4, 2497019), (7, 1426868), (14, 713434), (28, 356717), (31, 322196), (37, 269948), (62, 161098), (74, 134974), (124, 80549), (148, 67487), (217, 46028), (259, 38564), (311, 32116), (434, 23014), (518, 19282), (622, 16058), (868, 11507), (1036, 9641), (1147, 8708), (1244, 8029), (2177, 4588), (2294, 4354)]