1047999738

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 2280960000

約数和(自身を除く): 1232960262

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 131, 138, 174, 262, 393, 667, 786, 1334, 1999, 2001, 3013, 3799, 3998, 4002, 5997, 6026, 7598, 9039, 11397, 11994, 18078, 22794, 45977, 57971, 87377, 91954, 115942, 137931, 173913, 174754, 261869, 262131, 275862, 347826, 523738, 524262, 785607, 1333333, 1571214, 2666666, 3999999, 6022987, 7594201, 7999998, 12045974, 15188402, 18068961, 22782603, 36137922, 45565206, 174666623, 349333246, 523999869, 1047999738]

約数ペア:

[(1, 1047999738), (2, 523999869), (3, 349333246), (6, 174666623), (23, 45565206), (29, 36137922), (46, 22782603), (58, 18068961), (69, 15188402), (87, 12045974), (131, 7999998), (138, 7594201), (174, 6022987), (262, 3999999), (393, 2666666), (667, 1571214), (786, 1333333), (1334, 785607), (1999, 524262), (2001, 523738), (3013, 347826), (3799, 275862), (3998, 262131), (4002, 261869), (5997, 174754), (6026, 173913), (7598, 137931), (9039, 115942), (11397, 91954), (11994, 87377), (18078, 57971), (22794, 45977)]