131312916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3319}}^1$

素因数の和:3493

約数の個数: 72

約数和(自身を含む): 381879680

約数和(自身を除く): 250566764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 3319, 4396, 5652, 6594, 6638, 9891, 9957, 13188, 13276, 19782, 19914, 23233, 29871, 39564, 39828, 46466, 59742, 69699, 92932, 119484, 139398, 209097, 278796, 418194, 521083, 836388, 1042166, 1563249, 2084332, 3126498, 3647581, 4689747, 6252996, 7295162, 9379494, 10942743, 14590324, 18758988, 21885486, 32828229, 43770972, 65656458, 131312916]

約数ペア:

[(1, 131312916), (2, 65656458), (3, 43770972), (4, 32828229), (6, 21885486), (7, 18758988), (9, 14590324), (12, 10942743), (14, 9379494), (18, 7295162), (21, 6252996), (28, 4689747), (36, 3647581), (42, 3126498), (63, 2084332), (84, 1563249), (126, 1042166), (157, 836388), (252, 521083), (314, 418194), (471, 278796), (628, 209097), (942, 139398), (1099, 119484), (1413, 92932), (1884, 69699), (2198, 59742), (2826, 46466), (3297, 39828), (3319, 39564), (4396, 29871), (5652, 23233), (6594, 19914), (6638, 19782), (9891, 13276), (9957, 13188)]