64490804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 135475200

約数和(自身を除く): 70984396

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 239, 322, 419, 478, 644, 838, 956, 1673, 1676, 2933, 3346, 5497, 5866, 6692, 9637, 10994, 11732, 19274, 21988, 38479, 38548, 67459, 76958, 100141, 134918, 153916, 200282, 269836, 400564, 700987, 1401974, 2303243, 2803948, 4606486, 9212972, 16122701, 32245402, 64490804]

約数ペア:

[(1, 64490804), (2, 32245402), (4, 16122701), (7, 9212972), (14, 4606486), (23, 2803948), (28, 2303243), (46, 1401974), (92, 700987), (161, 400564), (239, 269836), (322, 200282), (419, 153916), (478, 134918), (644, 100141), (838, 76958), (956, 67459), (1673, 38548), (1676, 38479), (2933, 21988), (3346, 19274), (5497, 11732), (5866, 10994), (6692, 9637)]