1279208032

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{2273}}^1$

素因数の和:2735

約数の個数: 48

約数和(自身を含む): 2584446480

約数和(自身を除く): 1305238448

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 409, 688, 818, 1376, 1636, 2273, 3272, 4546, 6544, 9092, 13088, 17587, 18184, 35174, 36368, 70348, 72736, 97739, 140696, 195478, 281392, 390956, 562784, 781912, 929657, 1563824, 1859314, 3127648, 3718628, 7437256, 14874512, 29749024, 39975251, 79950502, 159901004, 319802008, 639604016, 1279208032]

約数ペア:

[(1, 1279208032), (2, 639604016), (4, 319802008), (8, 159901004), (16, 79950502), (32, 39975251), (43, 29749024), (86, 14874512), (172, 7437256), (344, 3718628), (409, 3127648), (688, 1859314), (818, 1563824), (1376, 929657), (1636, 781912), (2273, 562784), (3272, 390956), (4546, 281392), (6544, 195478), (9092, 140696), (13088, 97739), (17587, 72736), (18184, 70348), (35174, 36368)]