201977818

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 352781568

約数和(自身を除く): 150803750

約数列:

[1, 2, 7, 14, 71, 142, 317, 497, 634, 641, 994, 1282, 2219, 4438, 4487, 8974, 22507, 45014, 45511, 91022, 157549, 203197, 315098, 318577, 406394, 637154, 1422379, 2844758, 14426987, 28853974, 100988909, 201977818]

約数ペア:

[(1, 201977818), (2, 100988909), (7, 28853974), (14, 14426987), (71, 2844758), (142, 1422379), (317, 637154), (497, 406394), (634, 318577), (641, 315098), (994, 203197), (1282, 157549), (2219, 91022), (4438, 45511), (4487, 45014), (8974, 22507)]