64291994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 112891968

約数和(自身を除く): 48599974

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 167, 169, 221, 334, 338, 442, 871, 1139, 1742, 2171, 2278, 2839, 2873, 4342, 5678, 5746, 11189, 11323, 14807, 22378, 22646, 28223, 29614, 36907, 56446, 73814, 145457, 190213, 192491, 290914, 380426, 384982, 479791, 959582, 1890941, 2472769, 3781882, 4945538, 32145997, 64291994]

約数ペア:

[(1, 64291994), (2, 32145997), (13, 4945538), (17, 3781882), (26, 2472769), (34, 1890941), (67, 959582), (134, 479791), (167, 384982), (169, 380426), (221, 290914), (334, 192491), (338, 190213), (442, 145457), (871, 73814), (1139, 56446), (1742, 36907), (2171, 29614), (2278, 28223), (2839, 22646), (2873, 22378), (4342, 14807), (5678, 11323), (5746, 11189)]