201891778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 342351360

約数和(自身を除く): 140459582

約数列:

[1, 2, 11, 22, 31, 62, 341, 389, 682, 761, 778, 1522, 4279, 8371, 8558, 12059, 16742, 23591, 24118, 47182, 132649, 259501, 265298, 296029, 519002, 592058, 3256319, 6512638, 9176899, 18353798, 100945889, 201891778]

約数ペア:

[(1, 201891778), (2, 100945889), (11, 18353798), (22, 9176899), (31, 6512638), (62, 3256319), (341, 592058), (389, 519002), (682, 296029), (761, 265298), (778, 259501), (1522, 132649), (4279, 47182), (8371, 24118), (8558, 23591), (12059, 16742)]