207977914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 151999046

約数列:

[1, 2, 19, 23, 38, 46, 47, 61, 83, 94, 122, 166, 437, 874, 893, 1081, 1159, 1403, 1577, 1786, 1909, 2162, 2318, 2806, 2867, 3154, 3818, 3901, 5063, 5734, 7802, 10126, 20539, 26657, 36271, 41078, 53314, 54473, 65941, 72542, 74119, 89723, 96197, 108946, 116449, 131882, 148238, 179446, 192394, 232898, 237961, 475922, 1252879, 1704737, 2212531, 2505758, 3409474, 4425062, 4521259, 5473103, 9042518, 10946206, 103988957, 207977914]

約数ペア:

[(1, 207977914), (2, 103988957), (19, 10946206), (23, 9042518), (38, 5473103), (46, 4521259), (47, 4425062), (61, 3409474), (83, 2505758), (94, 2212531), (122, 1704737), (166, 1252879), (437, 475922), (874, 237961), (893, 232898), (1081, 192394), (1159, 179446), (1403, 148238), (1577, 131882), (1786, 116449), (1909, 108946), (2162, 96197), (2318, 89723), (2806, 74119), (2867, 72542), (3154, 65941), (3818, 54473), (3901, 53314), (5063, 41078), (5734, 36271), (7802, 26657), (10126, 20539)]