81740176

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3187}}^1$

素因数の和:3431

約数の個数: 40

約数和(自身を含む): 181843520

約数和(自身を除く): 100103344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 916, 1603, 1832, 3187, 3206, 3664, 6374, 6412, 12748, 12824, 22309, 25496, 25648, 44618, 50992, 89236, 178472, 356944, 729823, 1459646, 2919292, 5108761, 5838584, 10217522, 11677168, 20435044, 40870088, 81740176]

約数ペア:

[(1, 81740176), (2, 40870088), (4, 20435044), (7, 11677168), (8, 10217522), (14, 5838584), (16, 5108761), (28, 2919292), (56, 1459646), (112, 729823), (229, 356944), (458, 178472), (916, 89236), (1603, 50992), (1832, 44618), (3187, 25648), (3206, 25496), (3664, 22309), (6374, 12824), (6412, 12748)]