12856340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 18278764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 701, 917, 1310, 1402, 1834, 2620, 2804, 3505, 3668, 4585, 4907, 7010, 9170, 9814, 14020, 18340, 19628, 24535, 49070, 91831, 98140, 183662, 367324, 459155, 642817, 918310, 1285634, 1836620, 2571268, 3214085, 6428170, 12856340]

約数ペア:

[(1, 12856340), (2, 6428170), (4, 3214085), (5, 2571268), (7, 1836620), (10, 1285634), (14, 918310), (20, 642817), (28, 459155), (35, 367324), (70, 183662), (131, 98140), (140, 91831), (262, 49070), (524, 24535), (655, 19628), (701, 18340), (917, 14020), (1310, 9814), (1402, 9170), (1834, 7010), (2620, 4907), (2804, 4585), (3505, 3668)]