15121912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 30870000

約数和(自身を除く): 15748088

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1499, 2522, 2998, 5044, 5996, 10088, 11992, 19487, 38974, 77948, 145403, 155896, 290806, 581612, 1163224, 1890239, 3780478, 7560956, 15121912]

約数ペア:

[(1, 15121912), (2, 7560956), (4, 3780478), (8, 1890239), (13, 1163224), (26, 581612), (52, 290806), (97, 155896), (104, 145403), (194, 77948), (388, 38974), (776, 19487), (1261, 11992), (1499, 10088), (2522, 5996), (2998, 5044)]