245987028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3889}}^1$

素因数の和:4157

約数の個数: 72

約数和(自身を含む): 713643840

約数和(自身を除く): 467656812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1506, 1757, 2259, 3012, 3514, 3889, 4518, 5271, 7028, 7778, 9036, 10542, 11667, 15556, 15813, 21084, 23334, 27223, 31626, 35001, 46668, 54446, 63252, 70002, 81669, 108892, 140004, 163338, 245007, 326676, 490014, 976139, 980028, 1952278, 2928417, 3904556, 5856834, 6832973, 8785251, 11713668, 13665946, 17570502, 20498919, 27331892, 35141004, 40997838, 61496757, 81995676, 122993514, 245987028]

約数ペア:

[(1, 245987028), (2, 122993514), (3, 81995676), (4, 61496757), (6, 40997838), (7, 35141004), (9, 27331892), (12, 20498919), (14, 17570502), (18, 13665946), (21, 11713668), (28, 8785251), (36, 6832973), (42, 5856834), (63, 3904556), (84, 2928417), (126, 1952278), (251, 980028), (252, 976139), (502, 490014), (753, 326676), (1004, 245007), (1506, 163338), (1757, 140004), (2259, 108892), (3012, 81669), (3514, 70002), (3889, 63252), (4518, 54446), (5271, 46668), (7028, 35001), (7778, 31626), (9036, 27223), (10542, 23334), (11667, 21084), (15556, 15813)]