2556223344

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{127709}}^1$

素因数の和:127862

約数の個数: 60

約数和(自身を含む): 7205398200

約数和(自身を除く): 4649174856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 5004, 6672, 10008, 20016, 127709, 255418, 383127, 510836, 766254, 1021672, 1149381, 1532508, 2043344, 2298762, 3065016, 4597524, 6130032, 9195048, 17751551, 18390096, 35503102, 53254653, 71006204, 106509306, 142012408, 159763959, 213018612, 284024816, 319527918, 426037224, 639055836, 852074448, 1278111672, 2556223344]

約数ペア:

[(1, 2556223344), (2, 1278111672), (3, 852074448), (4, 639055836), (6, 426037224), (8, 319527918), (9, 284024816), (12, 213018612), (16, 159763959), (18, 142012408), (24, 106509306), (36, 71006204), (48, 53254653), (72, 35503102), (139, 18390096), (144, 17751551), (278, 9195048), (417, 6130032), (556, 4597524), (834, 3065016), (1112, 2298762), (1251, 2043344), (1668, 1532508), (2224, 1149381), (2502, 1021672), (3336, 766254), (5004, 510836), (6672, 383127), (10008, 255418), (20016, 127709)]