128469208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 290949120

約数和(自身を除く): 162479912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 868, 1204, 1333, 1721, 1736, 2408, 2666, 3442, 5332, 6884, 9331, 10664, 12047, 13768, 18662, 24094, 37324, 48188, 53351, 74003, 74648, 96376, 106702, 148006, 213404, 296012, 373457, 426808, 518021, 592024, 746914, 1036042, 1493828, 2072084, 2294093, 2987656, 4144168, 4588186, 9176372, 16058651, 18352744, 32117302, 64234604, 128469208]

約数ペア:

[(1, 128469208), (2, 64234604), (4, 32117302), (7, 18352744), (8, 16058651), (14, 9176372), (28, 4588186), (31, 4144168), (43, 2987656), (56, 2294093), (62, 2072084), (86, 1493828), (124, 1036042), (172, 746914), (217, 592024), (248, 518021), (301, 426808), (344, 373457), (434, 296012), (602, 213404), (868, 148006), (1204, 106702), (1333, 96376), (1721, 74648), (1736, 74003), (2408, 53351), (2666, 48188), (3442, 37324), (5332, 24094), (6884, 18662), (9331, 13768), (10664, 12047)]