391063156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 769950720

約数和(自身を除く): 378887564

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 139, 172, 278, 473, 556, 946, 1487, 1529, 1892, 2974, 3058, 5948, 5977, 6116, 11954, 16357, 23908, 32714, 63941, 65428, 65747, 127882, 131494, 206693, 255764, 262988, 413386, 703351, 826772, 1406702, 2273623, 2813404, 4547246, 8887799, 9094492, 17775598, 35551196, 97765789, 195531578, 391063156]

約数ペア:

[(1, 391063156), (2, 195531578), (4, 97765789), (11, 35551196), (22, 17775598), (43, 9094492), (44, 8887799), (86, 4547246), (139, 2813404), (172, 2273623), (278, 1406702), (473, 826772), (556, 703351), (946, 413386), (1487, 262988), (1529, 255764), (1892, 206693), (2974, 131494), (3058, 127882), (5948, 65747), (5977, 65428), (6116, 63941), (11954, 32714), (16357, 23908)]