399883386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1087}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 965099520

約数和(自身を除く): 565216134

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 461, 798, 922, 1087, 1383, 2174, 2766, 3227, 3261, 6454, 6522, 7609, 8759, 9681, 15218, 17518, 19362, 20653, 22827, 26277, 41306, 45654, 52554, 61313, 61959, 122626, 123918, 144571, 183939, 289142, 367878, 433713, 501107, 867426, 1002214, 1503321, 3006642, 3507749, 7015498, 9521033, 10523247, 19042066, 21046494, 28563099, 57126198, 66647231, 133294462, 199941693, 399883386]

約数ペア:

[(1, 399883386), (2, 199941693), (3, 133294462), (6, 66647231), (7, 57126198), (14, 28563099), (19, 21046494), (21, 19042066), (38, 10523247), (42, 9521033), (57, 7015498), (114, 3507749), (133, 3006642), (266, 1503321), (399, 1002214), (461, 867426), (798, 501107), (922, 433713), (1087, 367878), (1383, 289142), (2174, 183939), (2766, 144571), (3227, 123918), (3261, 122626), (6454, 61959), (6522, 61313), (7609, 52554), (8759, 45654), (9681, 41306), (15218, 26277), (17518, 22827), (19362, 20653)]