31123566

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 74328384

約数和(自身を除く): 43204818

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 193, 279, 289, 306, 386, 527, 558, 578, 579, 867, 1054, 1158, 1581, 1734, 1737, 2601, 3162, 3281, 3474, 4743, 5202, 5983, 6562, 8959, 9486, 9843, 11966, 17918, 17949, 19686, 26877, 29529, 35898, 53754, 53847, 55777, 59058, 80631, 101711, 107694, 111554, 161262, 167331, 203422, 305133, 334662, 501993, 610266, 915399, 1003986, 1729087, 1830798, 3458174, 5187261, 10374522, 15561783, 31123566]

約数ペア:

[(1, 31123566), (2, 15561783), (3, 10374522), (6, 5187261), (9, 3458174), (17, 1830798), (18, 1729087), (31, 1003986), (34, 915399), (51, 610266), (62, 501993), (93, 334662), (102, 305133), (153, 203422), (186, 167331), (193, 161262), (279, 111554), (289, 107694), (306, 101711), (386, 80631), (527, 59058), (558, 55777), (578, 53847), (579, 53754), (867, 35898), (1054, 29529), (1158, 26877), (1581, 19686), (1734, 17949), (1737, 17918), (2601, 11966), (3162, 9843), (3281, 9486), (3474, 8959), (4743, 6562), (5202, 5983)]