39982004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 78019200

約数和(自身を除く): 38037196

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 178, 257, 356, 437, 514, 874, 1028, 1691, 1748, 2047, 3382, 4094, 4883, 5911, 6764, 8188, 9766, 11822, 19532, 22873, 23644, 38893, 45746, 77786, 91492, 112309, 155572, 224618, 434587, 449236, 526079, 869174, 1052158, 1738348, 2104316, 9995501, 19991002, 39982004]

約数ペア:

[(1, 39982004), (2, 19991002), (4, 9995501), (19, 2104316), (23, 1738348), (38, 1052158), (46, 869174), (76, 526079), (89, 449236), (92, 434587), (178, 224618), (257, 155572), (356, 112309), (437, 91492), (514, 77786), (874, 45746), (1028, 38893), (1691, 23644), (1748, 22873), (2047, 19532), (3382, 11822), (4094, 9766), (4883, 8188), (5911, 6764)]