216896405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2011}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 297260928

約数和(自身を除く): 80364523

約数列:

[1, 5, 11, 37, 53, 55, 185, 265, 407, 583, 1961, 2011, 2035, 2915, 9805, 10055, 21571, 22121, 74407, 106583, 107855, 110605, 372035, 532915, 818477, 1172413, 3943571, 4092385, 5862065, 19717855, 43379281, 216896405]

約数ペア:

[(1, 216896405), (5, 43379281), (11, 19717855), (37, 5862065), (53, 4092385), (55, 3943571), (185, 1172413), (265, 818477), (407, 532915), (583, 372035), (1961, 110605), (2011, 107855), (2035, 106583), (2915, 74407), (9805, 22121), (10055, 21571)]