639840936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{42793}}^1$

素因数の和:42898

約数の個数: 64

約数和(自身を含む): 1848700800

約数和(自身を除く): 1208859864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1869, 2136, 2492, 3738, 4984, 7476, 14952, 42793, 85586, 128379, 171172, 256758, 299551, 342344, 513516, 599102, 898653, 1027032, 1198204, 1797306, 2396408, 3594612, 3808577, 7189224, 7617154, 11425731, 15234308, 22851462, 26660039, 30468616, 45702924, 53320078, 79980117, 91405848, 106640156, 159960234, 213280312, 319920468, 639840936]

約数ペア:

[(1, 639840936), (2, 319920468), (3, 213280312), (4, 159960234), (6, 106640156), (7, 91405848), (8, 79980117), (12, 53320078), (14, 45702924), (21, 30468616), (24, 26660039), (28, 22851462), (42, 15234308), (56, 11425731), (84, 7617154), (89, 7189224), (168, 3808577), (178, 3594612), (267, 2396408), (356, 1797306), (534, 1198204), (623, 1027032), (712, 898653), (1068, 599102), (1246, 513516), (1869, 342344), (2136, 299551), (2492, 256758), (3738, 171172), (4984, 128379), (7476, 85586), (14952, 42793)]