211389695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 287115840

約数和(自身を除く): 75726145

約数列:

[1, 5, 11, 37, 55, 109, 185, 407, 545, 953, 1199, 2035, 4033, 4765, 5995, 10483, 20165, 35261, 44363, 52415, 103877, 176305, 221815, 387871, 519385, 1142647, 1939355, 3843449, 5713235, 19217245, 42277939, 211389695]

約数ペア:

[(1, 211389695), (5, 42277939), (11, 19217245), (37, 5713235), (55, 3843449), (109, 1939355), (185, 1142647), (407, 519385), (545, 387871), (953, 221815), (1199, 176305), (2035, 103877), (4033, 52415), (4765, 44363), (5995, 35261), (10483, 20165)]