189556256

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 402292800

約数和(自身を除く): 212736544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 199, 206, 272, 289, 398, 412, 544, 578, 796, 824, 1156, 1592, 1648, 1751, 2312, 3184, 3296, 3383, 3502, 4624, 6368, 6766, 7004, 9248, 13532, 14008, 20497, 27064, 28016, 29767, 40994, 54128, 56032, 57511, 59534, 81988, 108256, 115022, 119068, 163976, 230044, 238136, 327952, 348449, 460088, 476272, 655904, 696898, 920176, 952544, 1393796, 1840352, 2787592, 5575184, 5923633, 11150368, 11847266, 23694532, 47389064, 94778128, 189556256]

約数ペア:

[(1, 189556256), (2, 94778128), (4, 47389064), (8, 23694532), (16, 11847266), (17, 11150368), (32, 5923633), (34, 5575184), (68, 2787592), (103, 1840352), (136, 1393796), (199, 952544), (206, 920176), (272, 696898), (289, 655904), (398, 476272), (412, 460088), (544, 348449), (578, 327952), (796, 238136), (824, 230044), (1156, 163976), (1592, 119068), (1648, 115022), (1751, 108256), (2312, 81988), (3184, 59534), (3296, 57511), (3383, 56032), (3502, 54128), (4624, 40994), (6368, 29767), (6766, 28016), (7004, 27064), (9248, 20497), (13532, 14008)]