16901885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 27527808

約数和(自身を除く): 10625923

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 307, 385, 455, 605, 715, 847, 1001, 1535, 1573, 2149, 3377, 3991, 4235, 5005, 7865, 10745, 11011, 16885, 19955, 23639, 27937, 37147, 43901, 55055, 118195, 139685, 185735, 219505, 260029, 307307, 482911, 1300145, 1536535, 2414555, 3380377, 16901885]

約数ペア:

[(1, 16901885), (5, 3380377), (7, 2414555), (11, 1536535), (13, 1300145), (35, 482911), (55, 307307), (65, 260029), (77, 219505), (91, 185735), (121, 139685), (143, 118195), (307, 55055), (385, 43901), (455, 37147), (605, 27937), (715, 23639), (847, 19955), (1001, 16885), (1535, 11011), (1573, 10745), (2149, 7865), (3377, 5005), (3991, 4235)]