221609916

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{857}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 612756144

約数和(自身を除く): 391146228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 653, 857, 1306, 1714, 1959, 2571, 2612, 3428, 3918, 5142, 5877, 7183, 7713, 7836, 9427, 10284, 11754, 14366, 15426, 18854, 21549, 23508, 28281, 28732, 30852, 37708, 43098, 56562, 64647, 84843, 86196, 113124, 129294, 169686, 258588, 339372, 559621, 1119242, 1678863, 2238484, 3357726, 5036589, 6155831, 6715452, 10073178, 12311662, 18467493, 20146356, 24623324, 36934986, 55402479, 73869972, 110804958, 221609916]

約数ペア:

[(1, 221609916), (2, 110804958), (3, 73869972), (4, 55402479), (6, 36934986), (9, 24623324), (11, 20146356), (12, 18467493), (18, 12311662), (22, 10073178), (33, 6715452), (36, 6155831), (44, 5036589), (66, 3357726), (99, 2238484), (132, 1678863), (198, 1119242), (396, 559621), (653, 339372), (857, 258588), (1306, 169686), (1714, 129294), (1959, 113124), (2571, 86196), (2612, 84843), (3428, 64647), (3918, 56562), (5142, 43098), (5877, 37708), (7183, 30852), (7713, 28732), (7836, 28281), (9427, 23508), (10284, 21549), (11754, 18854), (14366, 15426)]