25312788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 70324800

約数和(自身を除く): 45012012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1609, 1748, 2622, 3218, 3933, 4827, 5244, 6436, 7866, 9654, 14481, 15732, 19308, 28962, 30571, 37007, 57924, 61142, 74014, 91713, 111021, 122284, 148028, 183426, 222042, 275139, 333063, 366852, 444084, 550278, 666126, 703133, 1100556, 1332252, 1406266, 2109399, 2812532, 4218798, 6328197, 8437596, 12656394, 25312788]

約数ペア:

[(1, 25312788), (2, 12656394), (3, 8437596), (4, 6328197), (6, 4218798), (9, 2812532), (12, 2109399), (18, 1406266), (19, 1332252), (23, 1100556), (36, 703133), (38, 666126), (46, 550278), (57, 444084), (69, 366852), (76, 333063), (92, 275139), (114, 222042), (138, 183426), (171, 148028), (207, 122284), (228, 111021), (276, 91713), (342, 74014), (414, 61142), (437, 57924), (684, 37007), (828, 30571), (874, 28962), (1311, 19308), (1609, 15732), (1748, 14481), (2622, 9654), (3218, 7866), (3933, 6436), (4827, 5244)]