217644408

素因数分解:

$2^3\times 3^6\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 112

約数和(自身を含む): 622091880

約数和(自身を除く): 404447472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 243, 268, 324, 402, 486, 536, 557, 603, 648, 729, 804, 972, 1114, 1206, 1458, 1608, 1671, 1809, 1944, 2228, 2412, 2916, 3342, 3618, 4456, 4824, 5013, 5427, 5832, 6684, 7236, 10026, 10854, 13368, 14472, 15039, 16281, 20052, 21708, 30078, 32562, 37319, 40104, 43416, 45117, 48843, 60156, 65124, 74638, 90234, 97686, 111957, 120312, 130248, 135351, 149276, 180468, 195372, 223914, 270702, 298552, 335871, 360936, 390744, 406053, 447828, 541404, 671742, 812106, 895656, 1007613, 1082808, 1343484, 1624212, 2015226, 2686968, 3022839, 3248424, 4030452, 6045678, 8060904, 9068517, 12091356, 18137034, 24182712, 27205551, 36274068, 54411102, 72548136, 108822204, 217644408]

約数ペア:

[(1, 217644408), (2, 108822204), (3, 72548136), (4, 54411102), (6, 36274068), (8, 27205551), (9, 24182712), (12, 18137034), (18, 12091356), (24, 9068517), (27, 8060904), (36, 6045678), (54, 4030452), (67, 3248424), (72, 3022839), (81, 2686968), (108, 2015226), (134, 1624212), (162, 1343484), (201, 1082808), (216, 1007613), (243, 895656), (268, 812106), (324, 671742), (402, 541404), (486, 447828), (536, 406053), (557, 390744), (603, 360936), (648, 335871), (729, 298552), (804, 270702), (972, 223914), (1114, 195372), (1206, 180468), (1458, 149276), (1608, 135351), (1671, 130248), (1809, 120312), (1944, 111957), (2228, 97686), (2412, 90234), (2916, 74638), (3342, 65124), (3618, 60156), (4456, 48843), (4824, 45117), (5013, 43416), (5427, 40104), (5832, 37319), (6684, 32562), (7236, 30078), (10026, 21708), (10854, 20052), (13368, 16281), (14472, 15039)]