2550618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 6529536

約数和(自身を除く): 3978918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 653, 1302, 1306, 1953, 1959, 3906, 3918, 4571, 5877, 9142, 11754, 13713, 20243, 27426, 40486, 41139, 60729, 82278, 121458, 141701, 182187, 283402, 364374, 425103, 850206, 1275309, 2550618]

約数ペア:

[(1, 2550618), (2, 1275309), (3, 850206), (6, 425103), (7, 364374), (9, 283402), (14, 182187), (18, 141701), (21, 121458), (31, 82278), (42, 60729), (62, 41139), (63, 40486), (93, 27426), (126, 20243), (186, 13713), (217, 11754), (279, 9142), (434, 5877), (558, 4571), (651, 3918), (653, 3906), (1302, 1959), (1306, 1953)]