215759628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 654151680

約数和(自身を除く): 438392052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 71, 84, 93, 124, 126, 142, 186, 213, 217, 252, 279, 284, 372, 389, 426, 434, 497, 558, 639, 651, 778, 852, 868, 994, 1116, 1167, 1278, 1302, 1491, 1556, 1953, 1988, 2201, 2334, 2556, 2604, 2723, 2982, 3501, 3906, 4402, 4473, 4668, 5446, 5964, 6603, 7002, 7812, 8169, 8804, 8946, 10892, 12059, 13206, 14004, 15407, 16338, 17892, 19809, 24118, 24507, 26412, 27619, 30814, 32676, 36177, 39618, 46221, 48236, 49014, 55238, 61628, 72354, 79236, 82857, 84413, 92442, 98028, 108531, 110476, 138663, 144708, 165714, 168826, 184884, 193333, 217062, 248571, 253239, 277326, 331428, 337652, 386666, 434124, 497142, 506478, 554652, 579999, 759717, 773332, 856189, 994284, 1012956, 1159998, 1519434, 1712378, 1739997, 2319996, 2568567, 3038868, 3424756, 3479994, 5137134, 5993323, 6959988, 7705701, 10274268, 11986646, 15411402, 17979969, 23973292, 30822804, 35959938, 53939907, 71919876, 107879814, 215759628]

約数ペア:

[(1, 215759628), (2, 107879814), (3, 71919876), (4, 53939907), (6, 35959938), (7, 30822804), (9, 23973292), (12, 17979969), (14, 15411402), (18, 11986646), (21, 10274268), (28, 7705701), (31, 6959988), (36, 5993323), (42, 5137134), (62, 3479994), (63, 3424756), (71, 3038868), (84, 2568567), (93, 2319996), (124, 1739997), (126, 1712378), (142, 1519434), (186, 1159998), (213, 1012956), (217, 994284), (252, 856189), (279, 773332), (284, 759717), (372, 579999), (389, 554652), (426, 506478), (434, 497142), (497, 434124), (558, 386666), (639, 337652), (651, 331428), (778, 277326), (852, 253239), (868, 248571), (994, 217062), (1116, 193333), (1167, 184884), (1278, 168826), (1302, 165714), (1491, 144708), (1556, 138663), (1953, 110476), (1988, 108531), (2201, 98028), (2334, 92442), (2556, 84413), (2604, 82857), (2723, 79236), (2982, 72354), (3501, 61628), (3906, 55238), (4402, 49014), (4473, 48236), (4668, 46221), (5446, 39618), (5964, 36177), (6603, 32676), (7002, 30814), (7812, 27619), (8169, 26412), (8804, 24507), (8946, 24118), (10892, 19809), (12059, 17892), (13206, 16338), (14004, 15407)]