201175648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1247

約数の個数: 48

約数和(自身を含む): 418446000

約数和(自身を除く): 217270352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 409, 608, 809, 818, 1618, 1636, 3236, 3272, 6472, 6544, 7771, 12944, 13088, 15371, 15542, 25888, 30742, 31084, 61484, 62168, 122968, 124336, 245936, 248672, 330881, 491872, 661762, 1323524, 2647048, 5294096, 6286739, 10588192, 12573478, 25146956, 50293912, 100587824, 201175648]

約数ペア:

[(1, 201175648), (2, 100587824), (4, 50293912), (8, 25146956), (16, 12573478), (19, 10588192), (32, 6286739), (38, 5294096), (76, 2647048), (152, 1323524), (304, 661762), (409, 491872), (608, 330881), (809, 248672), (818, 245936), (1618, 124336), (1636, 122968), (3236, 62168), (3272, 61484), (6472, 31084), (6544, 30742), (7771, 25888), (12944, 15542), (13088, 15371)]