81811236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12791}}^1$

素因数の和:12852

約数の個数: 48

約数和(自身を含む): 210607488

約数和(自身を除く): 128796252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 12791, 25582, 38373, 51164, 76746, 153492, 166283, 332566, 498849, 524431, 665132, 997698, 1048862, 1573293, 1995396, 2097724, 3146586, 6293172, 6817603, 13635206, 20452809, 27270412, 40905618, 81811236]

約数ペア:

[(1, 81811236), (2, 40905618), (3, 27270412), (4, 20452809), (6, 13635206), (12, 6817603), (13, 6293172), (26, 3146586), (39, 2097724), (41, 1995396), (52, 1573293), (78, 1048862), (82, 997698), (123, 665132), (156, 524431), (164, 498849), (246, 332566), (492, 166283), (533, 153492), (1066, 76746), (1599, 51164), (2132, 38373), (3198, 25582), (6396, 12791)]