40807818

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 92192256

約数和(自身を除く): 51384438

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 639, 666, 863, 1278, 1726, 2589, 2627, 5178, 5254, 7767, 7881, 15534, 15762, 23643, 31931, 47286, 61273, 63862, 95793, 122546, 183819, 191586, 287379, 367638, 551457, 574758, 1102914, 2267101, 4534202, 6801303, 13602606, 20403909, 40807818]

約数ペア:

[(1, 40807818), (2, 20403909), (3, 13602606), (6, 6801303), (9, 4534202), (18, 2267101), (37, 1102914), (71, 574758), (74, 551457), (111, 367638), (142, 287379), (213, 191586), (222, 183819), (333, 122546), (426, 95793), (639, 63862), (666, 61273), (863, 47286), (1278, 31931), (1726, 23643), (2589, 15762), (2627, 15534), (5178, 7881), (5254, 7767)]