1261891908

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{467}}^1\times {\mathrm{1597}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 3266669952

約数和(自身を除く): 2004778044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 467, 564, 846, 934, 1401, 1597, 1692, 1868, 2802, 3194, 4203, 4791, 5604, 6388, 8406, 9582, 14373, 16812, 19164, 21949, 28746, 43898, 57492, 65847, 75059, 87796, 131694, 150118, 197541, 225177, 263388, 300236, 395082, 450354, 675531, 745799, 790164, 900708, 1351062, 1491598, 2237397, 2702124, 2983196, 4474794, 6712191, 8949588, 13424382, 26848764, 35052553, 70105106, 105157659, 140210212, 210315318, 315472977, 420630636, 630945954, 1261891908]

約数ペア:

[(1, 1261891908), (2, 630945954), (3, 420630636), (4, 315472977), (6, 210315318), (9, 140210212), (12, 105157659), (18, 70105106), (36, 35052553), (47, 26848764), (94, 13424382), (141, 8949588), (188, 6712191), (282, 4474794), (423, 2983196), (467, 2702124), (564, 2237397), (846, 1491598), (934, 1351062), (1401, 900708), (1597, 790164), (1692, 745799), (1868, 675531), (2802, 450354), (3194, 395082), (4203, 300236), (4791, 263388), (5604, 225177), (6388, 197541), (8406, 150118), (9582, 131694), (14373, 87796), (16812, 75059), (19164, 65847), (21949, 57492), (28746, 43898)]