291224628

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{787}}^1$

素因数の和:1357

約数の個数: 72

約数和(自身を含む): 777314720

約数和(自身を除く): 486090092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 541, 684, 787, 1082, 1574, 1623, 2164, 2361, 3148, 3246, 4722, 4869, 6492, 7083, 9444, 9738, 10279, 14166, 14953, 19476, 20558, 28332, 29906, 30837, 41116, 44859, 59812, 61674, 89718, 92511, 123348, 134577, 179436, 185022, 269154, 370044, 425767, 538308, 851534, 1277301, 1703068, 2554602, 3831903, 5109204, 7663806, 8089573, 15327612, 16179146, 24268719, 32358292, 48537438, 72806157, 97074876, 145612314, 291224628]

約数ペア:

[(1, 291224628), (2, 145612314), (3, 97074876), (4, 72806157), (6, 48537438), (9, 32358292), (12, 24268719), (18, 16179146), (19, 15327612), (36, 8089573), (38, 7663806), (57, 5109204), (76, 3831903), (114, 2554602), (171, 1703068), (228, 1277301), (342, 851534), (541, 538308), (684, 425767), (787, 370044), (1082, 269154), (1574, 185022), (1623, 179436), (2164, 134577), (2361, 123348), (3148, 92511), (3246, 89718), (4722, 61674), (4869, 59812), (6492, 44859), (7083, 41116), (9444, 30837), (9738, 29906), (10279, 28332), (14166, 20558), (14953, 19476)]