249969139

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 311731200

約数和(自身を除く): 61762061

約数列:

[1, 7, 17, 49, 119, 163, 263, 343, 833, 1141, 1841, 2771, 4471, 5831, 7987, 12887, 19397, 31297, 42869, 55909, 90209, 135779, 219079, 300083, 728773, 950453, 1533553, 2100581, 5101411, 14704067, 35709877, 249969139]

約数ペア:

[(1, 249969139), (7, 35709877), (17, 14704067), (49, 5101411), (119, 2100581), (163, 1533553), (263, 950453), (343, 728773), (833, 300083), (1141, 219079), (1841, 135779), (2771, 90209), (4471, 55909), (5831, 42869), (7987, 31297), (12887, 19397)]