79981512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 216216000

約数和(自身を除く): 136234488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 389, 659, 778, 1167, 1318, 1556, 1977, 2334, 2636, 3112, 3954, 4668, 5057, 5272, 7908, 8567, 9336, 10114, 15171, 15816, 17134, 20228, 25701, 30342, 34268, 40456, 51402, 60684, 68536, 102804, 121368, 205608, 256351, 512702, 769053, 1025404, 1538106, 2050808, 3076212, 3332563, 6152424, 6665126, 9997689, 13330252, 19995378, 26660504, 39990756, 79981512]

約数ペア:

[(1, 79981512), (2, 39990756), (3, 26660504), (4, 19995378), (6, 13330252), (8, 9997689), (12, 6665126), (13, 6152424), (24, 3332563), (26, 3076212), (39, 2050808), (52, 1538106), (78, 1025404), (104, 769053), (156, 512702), (312, 256351), (389, 205608), (659, 121368), (778, 102804), (1167, 68536), (1318, 60684), (1556, 51402), (1977, 40456), (2334, 34268), (2636, 30342), (3112, 25701), (3954, 20228), (4668, 17134), (5057, 15816), (5272, 15171), (7908, 10114), (8567, 9336)]