12813228

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 60

約数和(自身を含む): 34029072

約数和(自身を除く): 21215844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 557, 639, 852, 1114, 1278, 1671, 1917, 2228, 2556, 3342, 3834, 5013, 5751, 6684, 7668, 10026, 11502, 15039, 20052, 23004, 30078, 39547, 45117, 60156, 79094, 90234, 118641, 158188, 180468, 237282, 355923, 474564, 711846, 1067769, 1423692, 2135538, 3203307, 4271076, 6406614, 12813228]

約数ペア:

[(1, 12813228), (2, 6406614), (3, 4271076), (4, 3203307), (6, 2135538), (9, 1423692), (12, 1067769), (18, 711846), (27, 474564), (36, 355923), (54, 237282), (71, 180468), (81, 158188), (108, 118641), (142, 90234), (162, 79094), (213, 60156), (284, 45117), (324, 39547), (426, 30078), (557, 23004), (639, 20052), (852, 15039), (1114, 11502), (1278, 10026), (1671, 7668), (1917, 6684), (2228, 5751), (2556, 5013), (3342, 3834)]