2156081744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 4397051904

約数和(自身を除く): 2240970160

約数列:

[1, 2, 4, 8, 16, 31, 62, 101, 124, 193, 202, 223, 248, 386, 404, 446, 496, 772, 808, 892, 1544, 1616, 1784, 3088, 3131, 3568, 5983, 6262, 6913, 11966, 12524, 13826, 19493, 22523, 23932, 25048, 27652, 38986, 43039, 45046, 47864, 50096, 55304, 77972, 86078, 90092, 95728, 110608, 155944, 172156, 180184, 311888, 344312, 360368, 604283, 688624, 698213, 1208566, 1334209, 1396426, 2417132, 2668418, 2792852, 4346939, 4834264, 5336836, 5585704, 8693878, 9668528, 10673672, 11171408, 17387756, 21347344, 34775512, 69551024, 134755109, 269510218, 539020436, 1078040872, 2156081744]

約数ペア:

[(1, 2156081744), (2, 1078040872), (4, 539020436), (8, 269510218), (16, 134755109), (31, 69551024), (62, 34775512), (101, 21347344), (124, 17387756), (193, 11171408), (202, 10673672), (223, 9668528), (248, 8693878), (386, 5585704), (404, 5336836), (446, 4834264), (496, 4346939), (772, 2792852), (808, 2668418), (892, 2417132), (1544, 1396426), (1616, 1334209), (1784, 1208566), (3088, 698213), (3131, 688624), (3568, 604283), (5983, 360368), (6262, 344312), (6913, 311888), (11966, 180184), (12524, 172156), (13826, 155944), (19493, 110608), (22523, 95728), (23932, 90092), (25048, 86078), (27652, 77972), (38986, 55304), (43039, 50096), (45046, 47864)]