644211048

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:991

約数の個数: 128

約数和(自身を含む): 1828915200

約数和(自身を除く): 1184704152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 107, 138, 156, 184, 214, 276, 299, 312, 321, 428, 552, 598, 642, 839, 856, 897, 1196, 1284, 1391, 1678, 1794, 2392, 2461, 2517, 2568, 2782, 3356, 3588, 4173, 4922, 5034, 5564, 6712, 7176, 7383, 8346, 9844, 10068, 10907, 11128, 14766, 16692, 19297, 19688, 20136, 21814, 29532, 31993, 32721, 33384, 38594, 43628, 57891, 59064, 63986, 65442, 77188, 87256, 89773, 95979, 115782, 127972, 130884, 154376, 179546, 191958, 231564, 250861, 255944, 261768, 269319, 359092, 383916, 463128, 501722, 538638, 718184, 752583, 767832, 1003444, 1077276, 1167049, 1505166, 2006888, 2064779, 2154552, 2334098, 3010332, 3501147, 4129558, 4668196, 6020664, 6194337, 7002294, 8259116, 9336392, 12388674, 14004588, 16518232, 24777348, 26842127, 28009176, 49554696, 53684254, 80526381, 107368508, 161052762, 214737016, 322105524, 644211048]

約数ペア:

[(1, 644211048), (2, 322105524), (3, 214737016), (4, 161052762), (6, 107368508), (8, 80526381), (12, 53684254), (13, 49554696), (23, 28009176), (24, 26842127), (26, 24777348), (39, 16518232), (46, 14004588), (52, 12388674), (69, 9336392), (78, 8259116), (92, 7002294), (104, 6194337), (107, 6020664), (138, 4668196), (156, 4129558), (184, 3501147), (214, 3010332), (276, 2334098), (299, 2154552), (312, 2064779), (321, 2006888), (428, 1505166), (552, 1167049), (598, 1077276), (642, 1003444), (839, 767832), (856, 752583), (897, 718184), (1196, 538638), (1284, 501722), (1391, 463128), (1678, 383916), (1794, 359092), (2392, 269319), (2461, 261768), (2517, 255944), (2568, 250861), (2782, 231564), (3356, 191958), (3588, 179546), (4173, 154376), (4922, 130884), (5034, 127972), (5564, 115782), (6712, 95979), (7176, 89773), (7383, 87256), (8346, 77188), (9844, 65442), (10068, 63986), (10907, 59064), (11128, 57891), (14766, 43628), (16692, 38594), (19297, 33384), (19688, 32721), (20136, 31993), (21814, 29532)]