199638416

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 392995680

約数和(自身を除く): 193357264

約数列:

[1, 2, 4, 8, 16, 97, 194, 307, 388, 419, 614, 776, 838, 1228, 1552, 1676, 2456, 3352, 4912, 6704, 29779, 40643, 59558, 81286, 119116, 128633, 162572, 238232, 257266, 325144, 476464, 514532, 650288, 1029064, 2058128, 12477401, 24954802, 49909604, 99819208, 199638416]

約数ペア:

[(1, 199638416), (2, 99819208), (4, 49909604), (8, 24954802), (16, 12477401), (97, 2058128), (194, 1029064), (307, 650288), (388, 514532), (419, 476464), (614, 325144), (776, 257266), (838, 238232), (1228, 162572), (1552, 128633), (1676, 119116), (2456, 81286), (3352, 59558), (4912, 40643), (6704, 29779)]