1277488004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{997}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 2472876336

約数和(自身を除く): 1195388332

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 601, 997, 1066, 1202, 1994, 2132, 2404, 3988, 7813, 12961, 15626, 24641, 25922, 31252, 40877, 49282, 51844, 81754, 98564, 163508, 320333, 531401, 599197, 640666, 1062802, 1198394, 1281332, 2125604, 2396788, 7789561, 15579122, 24567077, 31158244, 49134154, 98268308, 319372001, 638744002, 1277488004]

約数ペア:

[(1, 1277488004), (2, 638744002), (4, 319372001), (13, 98268308), (26, 49134154), (41, 31158244), (52, 24567077), (82, 15579122), (164, 7789561), (533, 2396788), (601, 2125604), (997, 1281332), (1066, 1198394), (1202, 1062802), (1994, 640666), (2132, 599197), (2404, 531401), (3988, 320333), (7813, 163508), (12961, 98564), (15626, 81754), (24641, 51844), (25922, 49282), (31252, 40877)]