39891012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1987}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 106874880

約数和(自身を除く): 66983868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1434, 1673, 1987, 2868, 3346, 3974, 5019, 5961, 6692, 7948, 10038, 11922, 13909, 20076, 23844, 27818, 41727, 55636, 83454, 166908, 474893, 949786, 1424679, 1899572, 2849358, 3324251, 5698716, 6648502, 9972753, 13297004, 19945506, 39891012]

約数ペア:

[(1, 39891012), (2, 19945506), (3, 13297004), (4, 9972753), (6, 6648502), (7, 5698716), (12, 3324251), (14, 2849358), (21, 1899572), (28, 1424679), (42, 949786), (84, 474893), (239, 166908), (478, 83454), (717, 55636), (956, 41727), (1434, 27818), (1673, 23844), (1987, 20076), (2868, 13909), (3346, 11922), (3974, 10038), (5019, 7948), (5961, 6692)]