140968408

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81203}}^1$

素因数の和:81247

約数の個数: 32

約数和(自身を含む): 311823360

約数和(自身を除く): 170854952

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 81203, 162406, 324812, 568421, 649624, 1136842, 2273684, 2517293, 4547368, 5034586, 10069172, 17621051, 20138344, 35242102, 70484204, 140968408]

約数ペア:

[(1, 140968408), (2, 70484204), (4, 35242102), (7, 20138344), (8, 17621051), (14, 10069172), (28, 5034586), (31, 4547368), (56, 2517293), (62, 2273684), (124, 1136842), (217, 649624), (248, 568421), (434, 324812), (868, 162406), (1736, 81203)]