28391652

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 74256000

約数和(自身を除く): 45864348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 79, 134, 149, 158, 201, 237, 268, 298, 316, 402, 447, 474, 596, 603, 711, 804, 894, 948, 1206, 1341, 1422, 1788, 2412, 2682, 2844, 5293, 5364, 9983, 10586, 11771, 15879, 19966, 21172, 23542, 29949, 31758, 35313, 39932, 47084, 47637, 59898, 63516, 70626, 89847, 95274, 105939, 119796, 141252, 179694, 190548, 211878, 359388, 423756, 788657, 1577314, 2365971, 3154628, 4731942, 7097913, 9463884, 14195826, 28391652]

約数ペア:

[(1, 28391652), (2, 14195826), (3, 9463884), (4, 7097913), (6, 4731942), (9, 3154628), (12, 2365971), (18, 1577314), (36, 788657), (67, 423756), (79, 359388), (134, 211878), (149, 190548), (158, 179694), (201, 141252), (237, 119796), (268, 105939), (298, 95274), (316, 89847), (402, 70626), (447, 63516), (474, 59898), (596, 47637), (603, 47084), (711, 39932), (804, 35313), (894, 31758), (948, 29949), (1206, 23542), (1341, 21172), (1422, 19966), (1788, 15879), (2412, 11771), (2682, 10586), (2844, 9983), (5293, 5364)]