320491170428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1141139}}^1$

素因数の和:1141658

約数の個数: 48

約数和(自身を含む): 660254474880

約数和(自身を除く): 339763304452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 491, 572, 982, 1964, 5401, 6383, 10802, 12766, 21604, 25532, 70213, 140426, 280852, 1141139, 2282278, 4564556, 12552529, 14834807, 25105058, 29669614, 50210116, 59339228, 163182877, 326365754, 560299249, 652731508, 1120598498, 2241196996, 6163291739, 7283890237, 12326583478, 14567780474, 24653166956, 29135560948, 80122792607, 160245585214, 320491170428]

約数ペア:

[(1, 320491170428), (2, 160245585214), (4, 80122792607), (11, 29135560948), (13, 24653166956), (22, 14567780474), (26, 12326583478), (44, 7283890237), (52, 6163291739), (143, 2241196996), (286, 1120598498), (491, 652731508), (572, 560299249), (982, 326365754), (1964, 163182877), (5401, 59339228), (6383, 50210116), (10802, 29669614), (12766, 25105058), (21604, 14834807), (25532, 12552529), (70213, 4564556), (140426, 2282278), (280852, 1141139)]