201664919812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{220811}}^1$

素因数の和:221092

約数の個数: 48

約数和(自身を含む): 379496335680

約数和(自身を除く): 177831415868

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 197, 244, 394, 788, 1159, 2318, 3743, 4636, 7486, 12017, 14972, 24034, 48068, 220811, 228323, 441622, 456646, 883244, 913292, 4195409, 8390818, 13469471, 16781636, 26938942, 43499767, 53877884, 86999534, 173999068, 255919949, 511839898, 826495573, 1023679796, 1652991146, 2653485787, 3305982292, 5306971574, 10613943148, 50416229953, 100832459906, 201664919812]

約数ペア:

[(1, 201664919812), (2, 100832459906), (4, 50416229953), (19, 10613943148), (38, 5306971574), (61, 3305982292), (76, 2653485787), (122, 1652991146), (197, 1023679796), (244, 826495573), (394, 511839898), (788, 255919949), (1159, 173999068), (2318, 86999534), (3743, 53877884), (4636, 43499767), (7486, 26938942), (12017, 16781636), (14972, 13469471), (24034, 8390818), (48068, 4195409), (220811, 913292), (228323, 883244), (441622, 456646)]