2690478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 6754176

約数和(自身を除く): 4063698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 163, 262, 326, 393, 489, 786, 917, 978, 1141, 1179, 1467, 1834, 2282, 2358, 2751, 2934, 3423, 5502, 6846, 8253, 10269, 16506, 20538, 21353, 42706, 64059, 128118, 149471, 192177, 298942, 384354, 448413, 896826, 1345239, 2690478]

約数ペア:

[(1, 2690478), (2, 1345239), (3, 896826), (6, 448413), (7, 384354), (9, 298942), (14, 192177), (18, 149471), (21, 128118), (42, 64059), (63, 42706), (126, 21353), (131, 20538), (163, 16506), (262, 10269), (326, 8253), (393, 6846), (489, 5502), (786, 3423), (917, 2934), (978, 2751), (1141, 2358), (1179, 2282), (1467, 1834)]