1639494868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 3165801408

約数和(自身を除く): 1526306540

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 461, 524, 617, 922, 1234, 1441, 1844, 2468, 2882, 5071, 5764, 6787, 10142, 13574, 20284, 27148, 60391, 80827, 120782, 161654, 241564, 284437, 323308, 568874, 664301, 889097, 1137748, 1328602, 1778194, 2657204, 3128807, 3556388, 6257614, 12515228, 37261247, 74522494, 149044988, 409873717, 819747434, 1639494868]

約数ペア:

[(1, 1639494868), (2, 819747434), (4, 409873717), (11, 149044988), (22, 74522494), (44, 37261247), (131, 12515228), (262, 6257614), (461, 3556388), (524, 3128807), (617, 2657204), (922, 1778194), (1234, 1328602), (1441, 1137748), (1844, 889097), (2468, 664301), (2882, 568874), (5071, 323308), (5764, 284437), (6787, 241564), (10142, 161654), (13574, 120782), (20284, 80827), (27148, 60391)]