161990624

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2677}}^1$

素因数の和:2779

約数の個数: 48

約数和(自身を含む): 334728576

約数和(自身を除く): 172737952

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 488, 496, 976, 992, 1891, 1952, 2677, 3782, 5354, 7564, 10708, 15128, 21416, 30256, 42832, 60512, 82987, 85664, 163297, 165974, 326594, 331948, 653188, 663896, 1306376, 1327792, 2612752, 2655584, 5062207, 5225504, 10124414, 20248828, 40497656, 80995312, 161990624]

約数ペア:

[(1, 161990624), (2, 80995312), (4, 40497656), (8, 20248828), (16, 10124414), (31, 5225504), (32, 5062207), (61, 2655584), (62, 2612752), (122, 1327792), (124, 1306376), (244, 663896), (248, 653188), (488, 331948), (496, 326594), (976, 165974), (992, 163297), (1891, 85664), (1952, 82987), (2677, 60512), (3782, 42832), (5354, 30256), (7564, 21416), (10708, 15128)]