128388390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329201}}^1$

素因数の和:329224

約数の個数: 32

約数和(自身を含む): 331835616

約数和(自身を除く): 203447226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 329201, 658402, 987603, 1646005, 1975206, 3292010, 4279613, 4938015, 8559226, 9876030, 12838839, 21398065, 25677678, 42796130, 64194195, 128388390]

約数ペア:

[(1, 128388390), (2, 64194195), (3, 42796130), (5, 25677678), (6, 21398065), (10, 12838839), (13, 9876030), (15, 8559226), (26, 4938015), (30, 4279613), (39, 3292010), (65, 1975206), (78, 1646005), (130, 987603), (195, 658402), (390, 329201)]