978019908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{28789}}^1$

素因数の和:28964

約数の個数: 48

約数和(自身を含む): 2418360000

約数和(自身を除く): 1440340092

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 149, 228, 298, 447, 596, 894, 1788, 2831, 5662, 8493, 11324, 16986, 28789, 33972, 57578, 86367, 115156, 172734, 345468, 546991, 1093982, 1640973, 2187964, 3281946, 4289561, 6563892, 8579122, 12868683, 17158244, 25737366, 51474732, 81501659, 163003318, 244504977, 326006636, 489009954, 978019908]

約数ペア:

[(1, 978019908), (2, 489009954), (3, 326006636), (4, 244504977), (6, 163003318), (12, 81501659), (19, 51474732), (38, 25737366), (57, 17158244), (76, 12868683), (114, 8579122), (149, 6563892), (228, 4289561), (298, 3281946), (447, 2187964), (596, 1640973), (894, 1093982), (1788, 546991), (2831, 345468), (5662, 172734), (8493, 115156), (11324, 86367), (16986, 57578), (28789, 33972)]