40398858

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 93623040

約数和(自身を除く): 53224182

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 123, 142, 213, 246, 257, 369, 426, 514, 639, 738, 771, 1107, 1278, 1542, 1917, 2214, 2313, 2911, 3834, 4626, 5822, 6939, 8733, 10537, 13878, 17466, 18247, 21074, 26199, 31611, 36494, 52398, 54741, 63222, 78597, 94833, 109482, 157194, 164223, 189666, 284499, 328446, 492669, 568998, 748127, 985338, 1496254, 2244381, 4488762, 6733143, 13466286, 20199429, 40398858]

約数ペア:

[(1, 40398858), (2, 20199429), (3, 13466286), (6, 6733143), (9, 4488762), (18, 2244381), (27, 1496254), (41, 985338), (54, 748127), (71, 568998), (82, 492669), (123, 328446), (142, 284499), (213, 189666), (246, 164223), (257, 157194), (369, 109482), (426, 94833), (514, 78597), (639, 63222), (738, 54741), (771, 52398), (1107, 36494), (1278, 31611), (1542, 26199), (1917, 21074), (2214, 18247), (2313, 17466), (2911, 13878), (3834, 10537), (4626, 8733), (5822, 6939)]