661476.0000000

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 15628032

約数和(自身を除く): 7750436

約数列:

[1, 2, 4, 17, 31, 34, 37, 62, 68, 74, 101, 124, 148, 202, 404, 527, 629, 1054, 1147, 1258, 1717, 2108, 2294, 2516, 3131, 3434, 3737, 4588, 6262, 6868, 7474, 12524, 14948, 19499, 38998, 53227, 63529, 77996, 106454, 115847, 127058, 212908, 231694, 254116, 463388, 1969399, 3938798, 7877596]

約数ペア:

[(1, 7877596), (2, 3938798), (4, 1969399), (17, 463388), (31, 254116), (34, 231694), (37, 212908), (62, 127058), (68, 115847), (74, 106454), (101, 77996), (124, 63529), (148, 53227), (202, 38998), (404, 19499), (527, 14948), (629, 12524), (1054, 7474), (1147, 6868), (1258, 6262), (1717, 4588), (2108, 3737), (2294, 3434), (2516, 3131)]