644244076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{7877}}^1$

素因数の和:8038

約数の個数: 48

約数和(自身を含む): 1355268096

約数和(自身を除く): 711024020

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 508, 644, 889, 1778, 2921, 3556, 5842, 7877, 11684, 15754, 20447, 31508, 40894, 55139, 81788, 110278, 181171, 220556, 362342, 724684, 1000379, 1268197, 2000758, 2536394, 4001516, 5072788, 7002653, 14005306, 23008717, 28010612, 46017434, 92034868, 161061019, 322122038, 644244076]

約数ペア:

[(1, 644244076), (2, 322122038), (4, 161061019), (7, 92034868), (14, 46017434), (23, 28010612), (28, 23008717), (46, 14005306), (92, 7002653), (127, 5072788), (161, 4001516), (254, 2536394), (322, 2000758), (508, 1268197), (644, 1000379), (889, 724684), (1778, 362342), (2921, 220556), (3556, 181171), (5842, 110278), (7877, 81788), (11684, 55139), (15754, 40894), (20447, 31508)]