645580728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{689723}}^1$

素因数の和:689748

約数の個数: 48

約数和(自身を含む): 1882946520

約数和(自身を除く): 1237365792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 689723, 1379446, 2069169, 2758892, 4138338, 5517784, 6207507, 8276676, 8966399, 12415014, 16553352, 17932798, 24830028, 26899197, 35865596, 49660056, 53798394, 71731192, 80697591, 107596788, 161395182, 215193576, 322790364, 645580728]

約数ペア:

[(1, 645580728), (2, 322790364), (3, 215193576), (4, 161395182), (6, 107596788), (8, 80697591), (9, 71731192), (12, 53798394), (13, 49660056), (18, 35865596), (24, 26899197), (26, 24830028), (36, 17932798), (39, 16553352), (52, 12415014), (72, 8966399), (78, 8276676), (104, 6207507), (117, 5517784), (156, 4138338), (234, 2758892), (312, 2069169), (468, 1379446), (936, 689723)]