28177788

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 67584384

約数和(自身を除く): 39406596

約数列:

[1, 2, 3, 4, 6, 12, 67, 101, 134, 201, 202, 268, 303, 347, 402, 404, 606, 694, 804, 1041, 1212, 1388, 2082, 4164, 6767, 13534, 20301, 23249, 27068, 35047, 40602, 46498, 69747, 70094, 81204, 92996, 105141, 139494, 140188, 210282, 278988, 420564, 2348149, 4696298, 7044447, 9392596, 14088894, 28177788]

約数ペア:

[(1, 28177788), (2, 14088894), (3, 9392596), (4, 7044447), (6, 4696298), (12, 2348149), (67, 420564), (101, 278988), (134, 210282), (201, 140188), (202, 139494), (268, 105141), (303, 92996), (347, 81204), (402, 70094), (404, 69747), (606, 46498), (694, 40602), (804, 35047), (1041, 27068), (1212, 23249), (1388, 20301), (2082, 13534), (4164, 6767)]