289688418

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 640673280

約数和(自身を除く): 350984862

約数列:

[1, 2, 3, 6, 9, 18, 79, 137, 158, 237, 274, 411, 474, 711, 822, 1233, 1422, 1487, 2466, 2974, 4461, 8922, 10823, 13383, 21646, 26766, 32469, 64938, 97407, 117473, 194814, 203719, 234946, 352419, 407438, 611157, 704838, 1057257, 1222314, 1833471, 2114514, 3666942, 16093801, 32187602, 48281403, 96562806, 144844209, 289688418]

約数ペア:

[(1, 289688418), (2, 144844209), (3, 96562806), (6, 48281403), (9, 32187602), (18, 16093801), (79, 3666942), (137, 2114514), (158, 1833471), (237, 1222314), (274, 1057257), (411, 704838), (474, 611157), (711, 407438), (822, 352419), (1233, 234946), (1422, 203719), (1487, 194814), (2466, 117473), (2974, 97407), (4461, 64938), (8922, 32469), (10823, 26766), (13383, 21646)]