31987618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 22444382

約数列:

[1, 2, 13, 23, 26, 46, 149, 298, 299, 359, 598, 718, 1937, 3427, 3874, 4667, 6854, 8257, 9334, 16514, 44551, 53491, 89102, 106982, 107341, 214682, 695383, 1230293, 1390766, 2460586, 15993809, 31987618]

約数ペア:

[(1, 31987618), (2, 15993809), (13, 2460586), (23, 1390766), (26, 1230293), (46, 695383), (149, 214682), (298, 107341), (299, 106982), (359, 89102), (598, 53491), (718, 44551), (1937, 16514), (3427, 9334), (3874, 8257), (4667, 6854)]