209273038

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 344262240

約数和(自身を除く): 134989202

約数列:

[1, 2, 13, 26, 97, 169, 194, 338, 491, 982, 1261, 2197, 2522, 4394, 6383, 12766, 16393, 32786, 47627, 82979, 95254, 165958, 213109, 426218, 619151, 1078727, 1238302, 2157454, 8048963, 16097926, 104636519, 209273038]

約数ペア:

[(1, 209273038), (2, 104636519), (13, 16097926), (26, 8048963), (97, 2157454), (169, 1238302), (194, 1078727), (338, 619151), (491, 426218), (982, 213109), (1261, 165958), (2197, 95254), (2522, 82979), (4394, 47627), (6383, 32786), (12766, 16393)]