1611995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 2488320

約数和(自身を除く): 876325

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 79, 265, 371, 385, 395, 553, 583, 869, 1855, 2765, 2915, 4081, 4187, 4345, 6083, 20405, 20935, 29309, 30415, 46057, 146545, 230285, 322399, 1611995]

約数ペア:

[(1, 1611995), (5, 322399), (7, 230285), (11, 146545), (35, 46057), (53, 30415), (55, 29309), (77, 20935), (79, 20405), (265, 6083), (371, 4345), (385, 4187), (395, 4081), (553, 2915), (583, 2765), (869, 1855)]