291245148

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1619}}^1$

素因数の和:1911

約数の個数: 72

約数和(自身を含む): 778377600

約数和(自身を除く): 487132452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 263, 342, 526, 684, 789, 1052, 1578, 1619, 2367, 3156, 3238, 4734, 4857, 4997, 6476, 9468, 9714, 9994, 14571, 14991, 19428, 19988, 29142, 29982, 30761, 44973, 58284, 59964, 61522, 89946, 92283, 123044, 179892, 184566, 276849, 369132, 425797, 553698, 851594, 1107396, 1277391, 1703188, 2554782, 3832173, 5109564, 7664346, 8090143, 15328692, 16180286, 24270429, 32360572, 48540858, 72811287, 97081716, 145622574, 291245148]

約数ペア:

[(1, 291245148), (2, 145622574), (3, 97081716), (4, 72811287), (6, 48540858), (9, 32360572), (12, 24270429), (18, 16180286), (19, 15328692), (36, 8090143), (38, 7664346), (57, 5109564), (76, 3832173), (114, 2554782), (171, 1703188), (228, 1277391), (263, 1107396), (342, 851594), (526, 553698), (684, 425797), (789, 369132), (1052, 276849), (1578, 184566), (1619, 179892), (2367, 123044), (3156, 92283), (3238, 89946), (4734, 61522), (4857, 59964), (4997, 58284), (6476, 44973), (9468, 30761), (9714, 29982), (9994, 29142), (14571, 19988), (14991, 19428)]