393745128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17891}}^1$

素因数の和:18038

約数の個数: 64

約数和(自身を含む): 1133637120

約数和(自身を除く): 739891992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 1048, 1572, 1834, 2751, 3144, 3668, 5502, 7336, 11004, 17891, 22008, 35782, 53673, 71564, 107346, 125237, 143128, 214692, 250474, 375711, 429384, 500948, 751422, 1001896, 1502844, 2343721, 3005688, 4687442, 7031163, 9374884, 14062326, 16406047, 18749768, 28124652, 32812094, 49218141, 56249304, 65624188, 98436282, 131248376, 196872564, 393745128]

約数ペア:

[(1, 393745128), (2, 196872564), (3, 131248376), (4, 98436282), (6, 65624188), (7, 56249304), (8, 49218141), (12, 32812094), (14, 28124652), (21, 18749768), (24, 16406047), (28, 14062326), (42, 9374884), (56, 7031163), (84, 4687442), (131, 3005688), (168, 2343721), (262, 1502844), (393, 1001896), (524, 751422), (786, 500948), (917, 429384), (1048, 375711), (1572, 250474), (1834, 214692), (2751, 143128), (3144, 125237), (3668, 107346), (5502, 71564), (7336, 53673), (11004, 35782), (17891, 22008)]