221574352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{19699}}^1$

素因数の和:19763

約数の個数: 40

約数和(自身を含む): 464132000

約数和(自身を除く): 242557648

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 19699, 39398, 78796, 157592, 315184, 374281, 728863, 748562, 1457726, 1497124, 2915452, 2994248, 5830904, 5988496, 11661808, 13848397, 27696794, 55393588, 110787176, 221574352]

約数ペア:

[(1, 221574352), (2, 110787176), (4, 55393588), (8, 27696794), (16, 13848397), (19, 11661808), (37, 5988496), (38, 5830904), (74, 2994248), (76, 2915452), (148, 1497124), (152, 1457726), (296, 748562), (304, 728863), (592, 374281), (703, 315184), (1406, 157592), (2812, 78796), (5624, 39398), (11248, 19699)]