64485890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29717}}^1$

素因数の和:29762

約数の個数: 32

約数和(自身を含む): 136940544

約数和(自身を除く): 72454654

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 29717, 59434, 148585, 208019, 297170, 416038, 921227, 1040095, 1842454, 2080190, 4606135, 6448589, 9212270, 12897178, 32242945, 64485890]

約数ペア:

[(1, 64485890), (2, 32242945), (5, 12897178), (7, 9212270), (10, 6448589), (14, 4606135), (31, 2080190), (35, 1842454), (62, 1040095), (70, 921227), (155, 416038), (217, 297170), (310, 208019), (434, 148585), (1085, 59434), (2170, 29717)]