28695996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4951}}^1$

素因数の和:4991

約数の個数: 72

約数和(自身を含む): 86521344

約数和(自身を除く): 57825348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 4951, 5796, 9902, 14853, 19804, 29706, 34657, 44559, 59412, 69314, 89118, 103971, 113873, 138628, 178236, 207942, 227746, 311913, 341619, 415884, 455492, 623826, 683238, 797111, 1024857, 1247652, 1366476, 1594222, 2049714, 2391333, 3188444, 4099428, 4782666, 7173999, 9565332, 14347998, 28695996]

約数ペア:

[(1, 28695996), (2, 14347998), (3, 9565332), (4, 7173999), (6, 4782666), (7, 4099428), (9, 3188444), (12, 2391333), (14, 2049714), (18, 1594222), (21, 1366476), (23, 1247652), (28, 1024857), (36, 797111), (42, 683238), (46, 623826), (63, 455492), (69, 415884), (84, 341619), (92, 311913), (126, 227746), (138, 207942), (161, 178236), (207, 138628), (252, 113873), (276, 103971), (322, 89118), (414, 69314), (483, 59412), (644, 44559), (828, 34657), (966, 29706), (1449, 19804), (1932, 14853), (2898, 9902), (4951, 5796)]