1971728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 4419360

約数和(自身を除く): 2447632

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 659, 748, 1318, 1496, 2636, 2992, 5272, 7249, 10544, 11203, 14498, 22406, 28996, 44812, 57992, 89624, 115984, 123233, 179248, 246466, 492932, 985864, 1971728]

約数ペア:

[(1, 1971728), (2, 985864), (4, 492932), (8, 246466), (11, 179248), (16, 123233), (17, 115984), (22, 89624), (34, 57992), (44, 44812), (68, 28996), (88, 22406), (136, 14498), (176, 11203), (187, 10544), (272, 7249), (374, 5272), (659, 2992), (748, 2636), (1318, 1496)]