81118288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4889}}^1$

素因数の和:4975

約数の個数: 40

約数和(自身を含む): 169174440

約数和(自身を除く): 88056152

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 4889, 8296, 9778, 16592, 19556, 39112, 78224, 83113, 166226, 298229, 332452, 596458, 664904, 1192916, 1329808, 2385832, 4771664, 5069893, 10139786, 20279572, 40559144, 81118288]

約数ペア:

[(1, 81118288), (2, 40559144), (4, 20279572), (8, 10139786), (16, 5069893), (17, 4771664), (34, 2385832), (61, 1329808), (68, 1192916), (122, 664904), (136, 596458), (244, 332452), (272, 298229), (488, 166226), (976, 83113), (1037, 78224), (2074, 39112), (4148, 19556), (4889, 16592), (8296, 9778)]