638486256

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{3343}}^1$

素因数の和:3550

約数の個数: 80

約数和(自身を含む): 1731603456

約数和(自身を除く): 1093117200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 173, 184, 276, 346, 368, 519, 552, 692, 1038, 1104, 1384, 2076, 2768, 3343, 3979, 4152, 6686, 7958, 8304, 10029, 11937, 13372, 15916, 20058, 23874, 26744, 31832, 40116, 47748, 53488, 63664, 76889, 80232, 95496, 153778, 160464, 190992, 230667, 307556, 461334, 578339, 615112, 922668, 1156678, 1230224, 1735017, 1845336, 2313356, 3470034, 3690672, 4626712, 6940068, 9253424, 13301797, 13880136, 26603594, 27760272, 39905391, 53207188, 79810782, 106414376, 159621564, 212828752, 319243128, 638486256]

約数ペア:

[(1, 638486256), (2, 319243128), (3, 212828752), (4, 159621564), (6, 106414376), (8, 79810782), (12, 53207188), (16, 39905391), (23, 27760272), (24, 26603594), (46, 13880136), (48, 13301797), (69, 9253424), (92, 6940068), (138, 4626712), (173, 3690672), (184, 3470034), (276, 2313356), (346, 1845336), (368, 1735017), (519, 1230224), (552, 1156678), (692, 922668), (1038, 615112), (1104, 578339), (1384, 461334), (2076, 307556), (2768, 230667), (3343, 190992), (3979, 160464), (4152, 153778), (6686, 95496), (7958, 80232), (8304, 76889), (10029, 63664), (11937, 53488), (13372, 47748), (15916, 40116), (20058, 31832), (23874, 26744)]