168721956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1033}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 461060600

約数和(自身を除く): 292338644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 349, 468, 698, 1033, 1047, 1396, 2066, 2094, 3099, 3141, 4132, 4188, 4537, 6198, 6282, 9074, 9297, 12396, 12564, 13429, 13611, 18148, 18594, 26858, 27222, 37188, 40287, 40833, 53716, 54444, 80574, 81666, 120861, 161148, 163332, 241722, 360517, 483444, 721034, 1081551, 1442068, 2163102, 3244653, 4326204, 4686721, 6489306, 9373442, 12978612, 14060163, 18746884, 28120326, 42180489, 56240652, 84360978, 168721956]

約数ペア:

[(1, 168721956), (2, 84360978), (3, 56240652), (4, 42180489), (6, 28120326), (9, 18746884), (12, 14060163), (13, 12978612), (18, 9373442), (26, 6489306), (36, 4686721), (39, 4326204), (52, 3244653), (78, 2163102), (117, 1442068), (156, 1081551), (234, 721034), (349, 483444), (468, 360517), (698, 241722), (1033, 163332), (1047, 161148), (1396, 120861), (2066, 81666), (2094, 80574), (3099, 54444), (3141, 53716), (4132, 40833), (4188, 40287), (4537, 37188), (6198, 27222), (6282, 26858), (9074, 18594), (9297, 18148), (12396, 13611), (12564, 13429)]