140690648

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81043}}^1$

素因数の和:81087

約数の個数: 32

約数和(自身を含む): 311208960

約数和(自身を除く): 170518312

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 81043, 162086, 324172, 567301, 648344, 1134602, 2269204, 2512333, 4538408, 5024666, 10049332, 17586331, 20098664, 35172662, 70345324, 140690648]

約数ペア:

[(1, 140690648), (2, 70345324), (4, 35172662), (7, 20098664), (8, 17586331), (14, 10049332), (28, 5024666), (31, 4538408), (56, 2512333), (62, 2269204), (124, 1134602), (217, 648344), (248, 567301), (434, 324172), (868, 162086), (1736, 81043)]