1991231418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{44963}}^1$

素因数の和:45051

約数の個数: 48

約数和(自身を含む): 4449277728

約数和(自身を除く): 2458046310

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 121, 122, 183, 242, 363, 366, 671, 726, 1342, 2013, 4026, 7381, 14762, 22143, 44286, 44963, 89926, 134889, 269778, 494593, 989186, 1483779, 2742743, 2967558, 5440523, 5485486, 8228229, 10881046, 16321569, 16456458, 30170173, 32643138, 60340346, 90510519, 181021038, 331871903, 663743806, 995615709, 1991231418]

約数ペア:

[(1, 1991231418), (2, 995615709), (3, 663743806), (6, 331871903), (11, 181021038), (22, 90510519), (33, 60340346), (61, 32643138), (66, 30170173), (121, 16456458), (122, 16321569), (183, 10881046), (242, 8228229), (363, 5485486), (366, 5440523), (671, 2967558), (726, 2742743), (1342, 1483779), (2013, 989186), (4026, 494593), (7381, 269778), (14762, 134889), (22143, 89926), (44286, 44963)]