138708468

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 363312768

約数和(自身を除く): 224604300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 73, 94, 141, 146, 188, 219, 282, 292, 423, 438, 564, 657, 846, 876, 1123, 1314, 1692, 2246, 2628, 3369, 3431, 4492, 6738, 6862, 10107, 10293, 13476, 13724, 20214, 20586, 30879, 40428, 41172, 52781, 61758, 81979, 105562, 123516, 158343, 163958, 211124, 245937, 316686, 327916, 475029, 491874, 633372, 737811, 950058, 983748, 1475622, 1900116, 2951244, 3853013, 7706026, 11559039, 15412052, 23118078, 34677117, 46236156, 69354234, 138708468]

約数ペア:

[(1, 138708468), (2, 69354234), (3, 46236156), (4, 34677117), (6, 23118078), (9, 15412052), (12, 11559039), (18, 7706026), (36, 3853013), (47, 2951244), (73, 1900116), (94, 1475622), (141, 983748), (146, 950058), (188, 737811), (219, 633372), (282, 491874), (292, 475029), (423, 327916), (438, 316686), (564, 245937), (657, 211124), (846, 163958), (876, 158343), (1123, 123516), (1314, 105562), (1692, 81979), (2246, 61758), (2628, 52781), (3369, 41172), (3431, 40428), (4492, 30879), (6738, 20586), (6862, 20214), (10107, 13724), (10293, 13476)]