1656876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 4509120

約数和(自身を除く): 2852244

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 169, 172, 228, 247, 258, 338, 494, 507, 516, 559, 676, 741, 817, 988, 1014, 1118, 1482, 1634, 1677, 2028, 2236, 2451, 2964, 3211, 3268, 3354, 4902, 6422, 6708, 7267, 9633, 9804, 10621, 12844, 14534, 19266, 21242, 21801, 29068, 31863, 38532, 42484, 43602, 63726, 87204, 127452, 138073, 276146, 414219, 552292, 828438, 1656876]

約数ペア:

[(1, 1656876), (2, 828438), (3, 552292), (4, 414219), (6, 276146), (12, 138073), (13, 127452), (19, 87204), (26, 63726), (38, 43602), (39, 42484), (43, 38532), (52, 31863), (57, 29068), (76, 21801), (78, 21242), (86, 19266), (114, 14534), (129, 12844), (156, 10621), (169, 9804), (172, 9633), (228, 7267), (247, 6708), (258, 6422), (338, 4902), (494, 3354), (507, 3268), (516, 3211), (559, 2964), (676, 2451), (741, 2236), (817, 2028), (988, 1677), (1014, 1634), (1118, 1482)]