8416908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 22407840

約数和(自身を除く): 13990932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 89, 111, 142, 148, 178, 213, 222, 267, 284, 333, 356, 426, 444, 534, 639, 666, 801, 852, 1068, 1278, 1332, 1602, 2556, 2627, 3204, 3293, 5254, 6319, 6586, 7881, 9879, 10508, 12638, 13172, 15762, 18957, 19758, 23643, 25276, 29637, 31524, 37914, 39516, 47286, 56871, 59274, 75828, 94572, 113742, 118548, 227484, 233803, 467606, 701409, 935212, 1402818, 2104227, 2805636, 4208454, 8416908]

約数ペア:

[(1, 8416908), (2, 4208454), (3, 2805636), (4, 2104227), (6, 1402818), (9, 935212), (12, 701409), (18, 467606), (36, 233803), (37, 227484), (71, 118548), (74, 113742), (89, 94572), (111, 75828), (142, 59274), (148, 56871), (178, 47286), (213, 39516), (222, 37914), (267, 31524), (284, 29637), (333, 25276), (356, 23643), (426, 19758), (444, 18957), (534, 15762), (639, 13172), (666, 12638), (801, 10508), (852, 9879), (1068, 7881), (1278, 6586), (1332, 6319), (1602, 5254), (2556, 3293), (2627, 3204)]