28987738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 19783334

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 383, 533, 766, 923, 1066, 1846, 2911, 4979, 5822, 9958, 15703, 27193, 31406, 37843, 54386, 75686, 204139, 353509, 408278, 707018, 1114913, 2229826, 14493869, 28987738]

約数ペア:

[(1, 28987738), (2, 14493869), (13, 2229826), (26, 1114913), (41, 707018), (71, 408278), (82, 353509), (142, 204139), (383, 75686), (533, 54386), (766, 37843), (923, 31406), (1066, 27193), (1846, 15703), (2911, 9958), (4979, 5822)]