161517876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27983}}^1$

素因数の和:28040

約数の個数: 48

約数和(自身を含む): 416849664

約数和(自身を除く): 255331788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 27983, 55966, 83949, 111932, 167898, 335796, 363779, 727558, 1035371, 1091337, 1455116, 2070742, 2182674, 3106113, 4141484, 4365348, 6212226, 12424452, 13459823, 26919646, 40379469, 53839292, 80758938, 161517876]

約数ペア:

[(1, 161517876), (2, 80758938), (3, 53839292), (4, 40379469), (6, 26919646), (12, 13459823), (13, 12424452), (26, 6212226), (37, 4365348), (39, 4141484), (52, 3106113), (74, 2182674), (78, 2070742), (111, 1455116), (148, 1091337), (156, 1035371), (222, 727558), (444, 363779), (481, 335796), (962, 167898), (1443, 111932), (1924, 83949), (2886, 55966), (5772, 27983)]