313326572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 604558080

約数和(自身を除く): 291231508

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 139, 268, 278, 556, 647, 871, 1294, 1742, 1807, 2588, 3484, 3614, 7228, 8411, 9313, 16822, 18626, 33644, 37252, 43349, 86698, 89933, 121069, 173396, 179866, 242138, 359732, 484276, 563537, 1127074, 1169129, 2254148, 2338258, 4676516, 6025511, 12051022, 24102044, 78331643, 156663286, 313326572]

約数ペア:

[(1, 313326572), (2, 156663286), (4, 78331643), (13, 24102044), (26, 12051022), (52, 6025511), (67, 4676516), (134, 2338258), (139, 2254148), (268, 1169129), (278, 1127074), (556, 563537), (647, 484276), (871, 359732), (1294, 242138), (1742, 179866), (1807, 173396), (2588, 121069), (3484, 89933), (3614, 86698), (7228, 43349), (8411, 37252), (9313, 33644), (16822, 18626)]