1948642564

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{571}}^1\times {\mathrm{641}}^1$

素因数の和:1249

約数の個数: 48

約数和(自身を含む): 3763311552

約数和(自身を除く): 1814668988

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 571, 641, 1142, 1282, 1331, 2284, 2564, 2662, 5324, 6281, 7051, 12562, 14102, 25124, 28204, 69091, 77561, 138182, 155122, 276364, 310244, 366011, 732022, 760001, 853171, 1464044, 1520002, 1706342, 3040004, 3412684, 4026121, 8052242, 16104484, 44287331, 88574662, 177149324, 487160641, 974321282, 1948642564]

約数ペア:

[(1, 1948642564), (2, 974321282), (4, 487160641), (11, 177149324), (22, 88574662), (44, 44287331), (121, 16104484), (242, 8052242), (484, 4026121), (571, 3412684), (641, 3040004), (1142, 1706342), (1282, 1520002), (1331, 1464044), (2284, 853171), (2564, 760001), (2662, 732022), (5324, 366011), (6281, 310244), (7051, 276364), (12562, 155122), (14102, 138182), (25124, 77561), (28204, 69091)]