8639204

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 9746716

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 269, 434, 518, 538, 868, 1036, 1076, 1147, 1883, 2294, 3766, 4588, 7532, 8029, 8339, 9953, 16058, 16678, 19906, 32116, 33356, 39812, 58373, 69671, 116746, 139342, 233492, 278684, 308543, 617086, 1234172, 2159801, 4319602, 8639204]

約数ペア:

[(1, 8639204), (2, 4319602), (4, 2159801), (7, 1234172), (14, 617086), (28, 308543), (31, 278684), (37, 233492), (62, 139342), (74, 116746), (124, 69671), (148, 58373), (217, 39812), (259, 33356), (269, 32116), (434, 19906), (518, 16678), (538, 16058), (868, 9953), (1036, 8339), (1076, 8029), (1147, 7532), (1883, 4588), (2294, 3766)]