620869834

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{30113}}^1$

素因数の和:30202

約数の個数: 24

約数和(自身を含む): 1025020332

約数和(自身を除く): 404150498

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 10309, 20618, 30113, 60226, 391469, 782938, 1836893, 3673786, 5089097, 10178194, 23879609, 47759218, 310434917, 620869834]

約数ペア:

[(1, 620869834), (2, 310434917), (13, 47759218), (26, 23879609), (61, 10178194), (122, 5089097), (169, 3673786), (338, 1836893), (793, 782938), (1586, 391469), (10309, 60226), (20618, 30113)]