208641744

素因数分解:

$2^4\times 3^5\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 612585792

約数和(自身を除く): 403944048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 103, 108, 144, 162, 206, 216, 243, 309, 324, 412, 432, 486, 521, 618, 648, 824, 927, 972, 1042, 1236, 1296, 1563, 1648, 1854, 1944, 2084, 2472, 2781, 3126, 3708, 3888, 4168, 4689, 4944, 5562, 6252, 7416, 8336, 8343, 9378, 11124, 12504, 14067, 14832, 16686, 18756, 22248, 25008, 25029, 28134, 33372, 37512, 42201, 44496, 50058, 53663, 56268, 66744, 75024, 84402, 100116, 107326, 112536, 126603, 133488, 160989, 168804, 200232, 214652, 225072, 253206, 321978, 337608, 400464, 429304, 482967, 506412, 643956, 675216, 858608, 965934, 1012824, 1287912, 1448901, 1931868, 2025648, 2575824, 2897802, 3863736, 4346703, 5795604, 7727472, 8693406, 11591208, 13040109, 17386812, 23182416, 26080218, 34773624, 52160436, 69547248, 104320872, 208641744]

約数ペア:

[(1, 208641744), (2, 104320872), (3, 69547248), (4, 52160436), (6, 34773624), (8, 26080218), (9, 23182416), (12, 17386812), (16, 13040109), (18, 11591208), (24, 8693406), (27, 7727472), (36, 5795604), (48, 4346703), (54, 3863736), (72, 2897802), (81, 2575824), (103, 2025648), (108, 1931868), (144, 1448901), (162, 1287912), (206, 1012824), (216, 965934), (243, 858608), (309, 675216), (324, 643956), (412, 506412), (432, 482967), (486, 429304), (521, 400464), (618, 337608), (648, 321978), (824, 253206), (927, 225072), (972, 214652), (1042, 200232), (1236, 168804), (1296, 160989), (1563, 133488), (1648, 126603), (1854, 112536), (1944, 107326), (2084, 100116), (2472, 84402), (2781, 75024), (3126, 66744), (3708, 56268), (3888, 53663), (4168, 50058), (4689, 44496), (4944, 42201), (5562, 37512), (6252, 33372), (7416, 28134), (8336, 25029), (8343, 25008), (9378, 22248), (11124, 18756), (12504, 16686), (14067, 14832)]