81044356

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 151990272

約数和(自身を除く): 70945916

約数列:

[1, 2, 4, 37, 47, 61, 74, 94, 122, 148, 188, 191, 244, 382, 764, 1739, 2257, 2867, 3478, 4514, 5734, 6956, 7067, 8977, 9028, 11468, 11651, 14134, 17954, 23302, 28268, 35908, 46604, 106079, 212158, 332149, 424316, 431087, 547597, 664298, 862174, 1095194, 1328596, 1724348, 2190388, 20261089, 40522178, 81044356]

約数ペア:

[(1, 81044356), (2, 40522178), (4, 20261089), (37, 2190388), (47, 1724348), (61, 1328596), (74, 1095194), (94, 862174), (122, 664298), (148, 547597), (188, 431087), (191, 424316), (244, 332149), (382, 212158), (764, 106079), (1739, 46604), (2257, 35908), (2867, 28268), (3478, 23302), (4514, 17954), (5734, 14134), (6956, 11651), (7067, 11468), (8977, 9028)]