81815152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4931}}^1$

素因数の和:5017

約数の個数: 40

約数和(自身を含む): 170627472

約数和(自身を除く): 88812320

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 4931, 8296, 9862, 16592, 19724, 39448, 78896, 83827, 167654, 300791, 335308, 601582, 670616, 1203164, 1341232, 2406328, 4812656, 5113447, 10226894, 20453788, 40907576, 81815152]

約数ペア:

[(1, 81815152), (2, 40907576), (4, 20453788), (8, 10226894), (16, 5113447), (17, 4812656), (34, 2406328), (61, 1341232), (68, 1203164), (122, 670616), (136, 601582), (244, 335308), (272, 300791), (488, 167654), (976, 83827), (1037, 78896), (2074, 39448), (4148, 19724), (4931, 16592), (8296, 9862)]