920291216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{13367}}^1$

素因数の和:13719

約数の個数: 40

約数和(自身を含む): 1926168384

約数和(自身を除く): 1005877168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2648, 4303, 5296, 8606, 13367, 17212, 26734, 34424, 53468, 68848, 106936, 173771, 213872, 347542, 695084, 1390168, 2780336, 4424477, 8848954, 17697908, 35395816, 57518201, 70791632, 115036402, 230072804, 460145608, 920291216]

約数ペア:

[(1, 920291216), (2, 460145608), (4, 230072804), (8, 115036402), (13, 70791632), (16, 57518201), (26, 35395816), (52, 17697908), (104, 8848954), (208, 4424477), (331, 2780336), (662, 1390168), (1324, 695084), (2648, 347542), (4303, 213872), (5296, 173771), (8606, 106936), (13367, 68848), (17212, 53468), (26734, 34424)]