2019404821

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1439}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 2477260800

約数和(自身を除く): 457855979

約数列:

[1, 7, 29, 31, 203, 217, 223, 899, 1439, 1561, 6293, 6467, 6913, 10073, 41731, 44609, 45269, 48391, 200477, 292117, 312263, 320897, 1293661, 1403339, 2246279, 9055627, 9306013, 9947807, 65142091, 69634649, 288486403, 2019404821]

約数ペア:

[(1, 2019404821), (7, 288486403), (29, 69634649), (31, 65142091), (203, 9947807), (217, 9306013), (223, 9055627), (899, 2246279), (1439, 1403339), (1561, 1293661), (6293, 320897), (6467, 312263), (6913, 292117), (10073, 200477), (41731, 48391), (44609, 45269)]