245709906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 549728256

約数和(自身を除く): 304018350

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 307, 331, 403, 614, 662, 806, 921, 993, 1209, 1842, 1986, 2418, 3991, 4303, 7982, 8606, 9517, 10261, 11973, 12909, 19034, 20522, 23946, 25818, 28551, 30783, 57102, 61566, 101617, 123721, 133393, 203234, 247442, 266786, 304851, 371163, 400179, 609702, 742326, 800358, 1321021, 2642042, 3150127, 3963063, 6300254, 7926126, 9450381, 18900762, 40951651, 81903302, 122854953, 245709906]

約数ペア:

[(1, 245709906), (2, 122854953), (3, 81903302), (6, 40951651), (13, 18900762), (26, 9450381), (31, 7926126), (39, 6300254), (62, 3963063), (78, 3150127), (93, 2642042), (186, 1321021), (307, 800358), (331, 742326), (403, 609702), (614, 400179), (662, 371163), (806, 304851), (921, 266786), (993, 247442), (1209, 203234), (1842, 133393), (1986, 123721), (2418, 101617), (3991, 61566), (4303, 57102), (7982, 30783), (8606, 28551), (9517, 25818), (10261, 23946), (11973, 20522), (12909, 19034)]