129904216

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 278460000

約数和(自身を除く): 148555784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 389, 494, 676, 778, 988, 1352, 1556, 1976, 2197, 3112, 3211, 4394, 5057, 6422, 7391, 8788, 10114, 12844, 14782, 17576, 20228, 25688, 29564, 40456, 41743, 59128, 65741, 83486, 96083, 131482, 166972, 192166, 262964, 333944, 384332, 525928, 768664, 854633, 1249079, 1709266, 2498158, 3418532, 4996316, 6837064, 9992632, 16238027, 32476054, 64952108, 129904216]

約数ペア:

[(1, 129904216), (2, 64952108), (4, 32476054), (8, 16238027), (13, 9992632), (19, 6837064), (26, 4996316), (38, 3418532), (52, 2498158), (76, 1709266), (104, 1249079), (152, 854633), (169, 768664), (247, 525928), (338, 384332), (389, 333944), (494, 262964), (676, 192166), (778, 166972), (988, 131482), (1352, 96083), (1556, 83486), (1976, 65741), (2197, 59128), (3112, 41743), (3211, 40456), (4394, 29564), (5057, 25688), (6422, 20228), (7391, 17576), (8788, 14782), (10114, 12844)]