191388258

素因数分解:

$2^1\times 3^5\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2213

約数の個数: 48

約数和(自身を含む): 432432000

約数和(自身を除く): 241043742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 243, 394, 486, 591, 1182, 1773, 1999, 3546, 3998, 5319, 5997, 10638, 11994, 15957, 17991, 31914, 35982, 47871, 53973, 95742, 107946, 161919, 323838, 393803, 485757, 787606, 971514, 1181409, 2362818, 3544227, 7088454, 10632681, 21265362, 31898043, 63796086, 95694129, 191388258]

約数ペア:

[(1, 191388258), (2, 95694129), (3, 63796086), (6, 31898043), (9, 21265362), (18, 10632681), (27, 7088454), (54, 3544227), (81, 2362818), (162, 1181409), (197, 971514), (243, 787606), (394, 485757), (486, 393803), (591, 323838), (1182, 161919), (1773, 107946), (1999, 95742), (3546, 53973), (3998, 47871), (5319, 35982), (5997, 31914), (10638, 17991), (11994, 15957)]