81313312

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7867}}^1$

素因数の和:7913

約数の個数: 48

約数和(自身を含む): 178446240

約数和(自身を除く): 97132928

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2584, 5168, 7867, 10336, 15734, 31468, 62936, 125872, 133739, 149473, 251744, 267478, 298946, 534956, 597892, 1069912, 1195784, 2139824, 2391568, 2541041, 4279648, 4783136, 5082082, 10164164, 20328328, 40656656, 81313312]

約数ペア:

[(1, 81313312), (2, 40656656), (4, 20328328), (8, 10164164), (16, 5082082), (17, 4783136), (19, 4279648), (32, 2541041), (34, 2391568), (38, 2139824), (68, 1195784), (76, 1069912), (136, 597892), (152, 534956), (272, 298946), (304, 267478), (323, 251744), (544, 149473), (608, 133739), (646, 125872), (1292, 62936), (2584, 31468), (5168, 15734), (7867, 10336)]