89986390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16883}}^1$

素因数の和:16944

約数の個数: 32

約数和(自身を含む): 178700256

約数和(自身を除く): 88713866

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 16883, 33766, 84415, 168830, 219479, 438958, 692203, 1097395, 1384406, 2194790, 3461015, 6922030, 8998639, 17997278, 44993195, 89986390]

約数ペア:

[(1, 89986390), (2, 44993195), (5, 17997278), (10, 8998639), (13, 6922030), (26, 3461015), (41, 2194790), (65, 1384406), (82, 1097395), (130, 692203), (205, 438958), (410, 219479), (533, 168830), (1066, 84415), (2665, 33766), (5330, 16883)]