1278408044

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{691}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 2380341600

約数和(自身を除く): 1101933556

約数列:

[1, 2, 4, 29, 41, 58, 82, 116, 164, 389, 691, 778, 1189, 1382, 1556, 2378, 2764, 4756, 11281, 15949, 20039, 22562, 28331, 31898, 40078, 45124, 56662, 63796, 80156, 113324, 268799, 462521, 537598, 821599, 925042, 1075196, 1643198, 1850084, 3286396, 7795171, 11020759, 15590342, 22041518, 31180684, 44083036, 319602011, 639204022, 1278408044]

約数ペア:

[(1, 1278408044), (2, 639204022), (4, 319602011), (29, 44083036), (41, 31180684), (58, 22041518), (82, 15590342), (116, 11020759), (164, 7795171), (389, 3286396), (691, 1850084), (778, 1643198), (1189, 1075196), (1382, 925042), (1556, 821599), (2378, 537598), (2764, 462521), (4756, 268799), (11281, 113324), (15949, 80156), (20039, 63796), (22562, 56662), (28331, 45124), (31898, 40078)]