28546970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 53830656

約数和(自身を除く): 25283686

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1297, 2201, 2594, 4402, 6485, 11005, 12970, 22010, 40207, 80414, 92087, 184174, 201035, 402070, 460435, 920870, 2854697, 5709394, 14273485, 28546970]

約数ペア:

[(1, 28546970), (2, 14273485), (5, 5709394), (10, 2854697), (31, 920870), (62, 460435), (71, 402070), (142, 201035), (155, 184174), (310, 92087), (355, 80414), (710, 40207), (1297, 22010), (2201, 12970), (2594, 11005), (4402, 6485)]