249937996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26177}}^1$

素因数の和:26230

約数の個数: 48

約数和(自身を含む): 562931712

約数和(自身を除く): 312993716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 26177, 52354, 104708, 183239, 287947, 366478, 575894, 732956, 811487, 1151788, 1622974, 2015629, 3245948, 4031258, 5680409, 8062516, 8926357, 11360818, 17852714, 22721636, 35705428, 62484499, 124968998, 249937996]

約数ペア:

[(1, 249937996), (2, 124968998), (4, 62484499), (7, 35705428), (11, 22721636), (14, 17852714), (22, 11360818), (28, 8926357), (31, 8062516), (44, 5680409), (62, 4031258), (77, 3245948), (124, 2015629), (154, 1622974), (217, 1151788), (308, 811487), (341, 732956), (434, 575894), (682, 366478), (868, 287947), (1364, 183239), (2387, 104708), (4774, 52354), (9548, 26177)]