980728555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7919}}^1$

素因数の和:8019

約数の個数: 32

約数和(自身を含む): 1313832960

約数和(自身を除く): 333104405

約数列:

[1, 5, 17, 31, 47, 85, 155, 235, 527, 799, 1457, 2635, 3995, 7285, 7919, 24769, 39595, 123845, 134623, 245489, 372193, 673115, 1227445, 1860965, 4173313, 6327281, 11537983, 20866565, 31636405, 57689915, 196145711, 980728555]

約数ペア:

[(1, 980728555), (5, 196145711), (17, 57689915), (31, 31636405), (47, 20866565), (85, 11537983), (155, 6327281), (235, 4173313), (527, 1860965), (799, 1227445), (1457, 673115), (2635, 372193), (3995, 245489), (7285, 134623), (7919, 123845), (24769, 39595)]