320480238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{5471}}^1$

素因数の和:6240

約数の個数: 32

約数和(自身を含む): 691310592

約数和(自身を除く): 370830354

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 751, 1502, 2253, 4506, 5471, 9763, 10942, 16413, 19526, 29289, 32826, 58578, 71123, 142246, 213369, 426738, 4108721, 8217442, 12326163, 24652326, 53413373, 106826746, 160240119, 320480238]

約数ペア:

[(1, 320480238), (2, 160240119), (3, 106826746), (6, 53413373), (13, 24652326), (26, 12326163), (39, 8217442), (78, 4108721), (751, 426738), (1502, 213369), (2253, 142246), (4506, 71123), (5471, 58578), (9763, 32826), (10942, 29289), (16413, 19526)]