1561989242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1883

約数の個数: 48

約数和(自身を含む): 2686068000

約数和(自身を除く): 1124078758

約数列:

[1, 2, 11, 22, 29, 58, 121, 131, 242, 262, 319, 638, 1441, 1699, 2882, 3398, 3509, 3799, 7018, 7598, 15851, 18689, 31702, 37378, 41789, 49271, 83578, 98542, 205579, 222569, 411158, 445138, 459679, 541981, 919358, 1083962, 2448259, 4896518, 5961791, 6454501, 11923582, 12909002, 26930849, 53861698, 70999511, 141999022, 780994621, 1561989242]

約数ペア:

[(1, 1561989242), (2, 780994621), (11, 141999022), (22, 70999511), (29, 53861698), (58, 26930849), (121, 12909002), (131, 11923582), (242, 6454501), (262, 5961791), (319, 4896518), (638, 2448259), (1441, 1083962), (1699, 919358), (2882, 541981), (3398, 459679), (3509, 445138), (3799, 411158), (7018, 222569), (7598, 205579), (15851, 98542), (18689, 83578), (31702, 49271), (37378, 41789)]