8903916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 26076960

約数和(自身を除く): 17173044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 397, 534, 623, 794, 801, 1068, 1191, 1246, 1588, 1602, 1869, 2382, 2492, 2779, 3204, 3573, 3738, 4764, 5558, 5607, 7146, 7476, 8337, 11116, 11214, 14292, 16674, 22428, 25011, 33348, 35333, 50022, 70666, 100044, 105999, 141332, 211998, 247331, 317997, 423996, 494662, 635994, 741993, 989324, 1271988, 1483986, 2225979, 2967972, 4451958, 8903916]

約数ペア:

[(1, 8903916), (2, 4451958), (3, 2967972), (4, 2225979), (6, 1483986), (7, 1271988), (9, 989324), (12, 741993), (14, 635994), (18, 494662), (21, 423996), (28, 317997), (36, 247331), (42, 211998), (63, 141332), (84, 105999), (89, 100044), (126, 70666), (178, 50022), (252, 35333), (267, 33348), (356, 25011), (397, 22428), (534, 16674), (623, 14292), (794, 11214), (801, 11116), (1068, 8337), (1191, 7476), (1246, 7146), (1588, 5607), (1602, 5558), (1869, 4764), (2382, 3738), (2492, 3573), (2779, 3204)]