12881365

素因数分解:

$5^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 40

約数和(自身を含む): 19158840

約数和(自身を除く): 6277475

約数列:

[1, 5, 7, 29, 35, 37, 49, 145, 185, 203, 245, 259, 343, 1015, 1073, 1295, 1421, 1715, 1813, 2401, 5365, 7105, 7511, 9065, 9947, 12005, 12691, 37555, 49735, 52577, 63455, 69629, 88837, 262885, 348145, 368039, 444185, 1840195, 2576273, 12881365]

約数ペア:

[(1, 12881365), (5, 2576273), (7, 1840195), (29, 444185), (35, 368039), (37, 348145), (49, 262885), (145, 88837), (185, 69629), (203, 63455), (245, 52577), (259, 49735), (343, 37555), (1015, 12691), (1073, 12005), (1295, 9947), (1421, 9065), (1715, 7511), (1813, 7105), (2401, 5365)]