2181058878

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{2531}}^1$

素因数の和:2721

約数の個数: 64

約数和(自身を含む): 4655314944

約数和(自身を除く): 2474256066

約数列:

[1, 2, 3, 6, 31, 41, 62, 82, 93, 113, 123, 186, 226, 246, 339, 678, 1271, 2531, 2542, 3503, 3813, 4633, 5062, 7006, 7593, 7626, 9266, 10509, 13899, 15186, 21018, 27798, 78461, 103771, 143623, 156922, 207542, 235383, 286003, 287246, 311313, 430869, 470766, 572006, 622626, 858009, 861738, 1716018, 3216901, 6433802, 8866093, 9650703, 11726123, 17732186, 19301406, 23452246, 26598279, 35178369, 53196558, 70356738, 363509813, 727019626, 1090529439, 2181058878]

約数ペア:

[(1, 2181058878), (2, 1090529439), (3, 727019626), (6, 363509813), (31, 70356738), (41, 53196558), (62, 35178369), (82, 26598279), (93, 23452246), (113, 19301406), (123, 17732186), (186, 11726123), (226, 9650703), (246, 8866093), (339, 6433802), (678, 3216901), (1271, 1716018), (2531, 861738), (2542, 858009), (3503, 622626), (3813, 572006), (4633, 470766), (5062, 430869), (7006, 311313), (7593, 287246), (7626, 286003), (9266, 235383), (10509, 207542), (13899, 156922), (15186, 143623), (21018, 103771), (27798, 78461)]