9981290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 20195784

約数和(自身を除く): 10214494

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 113, 121, 146, 226, 242, 365, 565, 605, 730, 803, 1130, 1210, 1243, 1606, 2486, 4015, 6215, 8030, 8249, 8833, 12430, 13673, 16498, 17666, 27346, 41245, 44165, 68365, 82490, 88330, 90739, 136730, 181478, 453695, 907390, 998129, 1996258, 4990645, 9981290]

約数ペア:

[(1, 9981290), (2, 4990645), (5, 1996258), (10, 998129), (11, 907390), (22, 453695), (55, 181478), (73, 136730), (110, 90739), (113, 88330), (121, 82490), (146, 68365), (226, 44165), (242, 41245), (365, 27346), (565, 17666), (605, 16498), (730, 13673), (803, 12430), (1130, 8833), (1210, 8249), (1243, 8030), (1606, 6215), (2486, 4015)]