123385456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{14633}}^1$

素因数の和:14689

約数の個数: 40

約数和(自身を含む): 261304704

約数和(自身を除く): 137919248

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 14633, 29266, 58532, 117064, 234128, 248761, 453623, 497522, 907246, 995044, 1814492, 1990088, 3628984, 3980176, 7257968, 7711591, 15423182, 30846364, 61692728, 123385456]

約数ペア:

[(1, 123385456), (2, 61692728), (4, 30846364), (8, 15423182), (16, 7711591), (17, 7257968), (31, 3980176), (34, 3628984), (62, 1990088), (68, 1814492), (124, 995044), (136, 907246), (248, 497522), (272, 453623), (496, 248761), (527, 234128), (1054, 117064), (2108, 58532), (4216, 29266), (8432, 14633)]