66939812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 131725440

約数和(自身を除く): 64785628

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 197, 263, 323, 394, 526, 646, 788, 1052, 1292, 3349, 3743, 4471, 4997, 6698, 7486, 8942, 9994, 13396, 14972, 17884, 19988, 51811, 63631, 84949, 103622, 127262, 169898, 207244, 254524, 339796, 880787, 984409, 1761574, 1968818, 3523148, 3937636, 16734953, 33469906, 66939812]

約数ペア:

[(1, 66939812), (2, 33469906), (4, 16734953), (17, 3937636), (19, 3523148), (34, 1968818), (38, 1761574), (68, 984409), (76, 880787), (197, 339796), (263, 254524), (323, 207244), (394, 169898), (526, 127262), (646, 103622), (788, 84949), (1052, 63631), (1292, 51811), (3349, 19988), (3743, 17884), (4471, 14972), (4997, 13396), (6698, 9994), (7486, 8942)]