396793904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{18521}}^1$

素因数の和:18645

約数の個数: 40

約数和(自身を含む): 836008992

約数和(自身を除く): 439215088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 18521, 21424, 37042, 74084, 148168, 240773, 296336, 481546, 963092, 1907663, 1926184, 3815326, 3852368, 7630652, 15261304, 24799619, 30522608, 49599238, 99198476, 198396952, 396793904]

約数ペア:

[(1, 396793904), (2, 198396952), (4, 99198476), (8, 49599238), (13, 30522608), (16, 24799619), (26, 15261304), (52, 7630652), (103, 3852368), (104, 3815326), (206, 1926184), (208, 1907663), (412, 963092), (824, 481546), (1339, 296336), (1648, 240773), (2678, 148168), (5356, 74084), (10712, 37042), (18521, 21424)]