211674310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{6257}}^1$

素因数の和:6480

約数の個数: 32

約数和(自身を含む): 405518400

約数和(自身を除く): 193844090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 6257, 6766, 12514, 16915, 31285, 33830, 62570, 106369, 212738, 531845, 1063690, 1245143, 2490286, 6225715, 12451430, 21167431, 42334862, 105837155, 211674310]

約数ペア:

[(1, 211674310), (2, 105837155), (5, 42334862), (10, 21167431), (17, 12451430), (34, 6225715), (85, 2490286), (170, 1245143), (199, 1063690), (398, 531845), (995, 212738), (1990, 106369), (3383, 62570), (6257, 33830), (6766, 31285), (12514, 16915)]