72065917

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 99809280

約数和(自身を除く): 27743363

約数列:

[1, 7, 11, 19, 31, 49, 77, 133, 209, 217, 227, 341, 539, 589, 931, 1463, 1519, 1589, 2387, 2497, 4123, 4313, 6479, 7037, 10241, 11123, 16709, 17479, 28861, 30191, 45353, 47443, 49259, 77407, 122353, 133703, 211337, 317471, 332101, 344813, 541849, 935921, 1470733, 2324707, 3792943, 6551447, 10295131, 72065917]

約数ペア:

[(1, 72065917), (7, 10295131), (11, 6551447), (19, 3792943), (31, 2324707), (49, 1470733), (77, 935921), (133, 541849), (209, 344813), (217, 332101), (227, 317471), (341, 211337), (539, 133703), (589, 122353), (931, 77407), (1463, 49259), (1519, 47443), (1589, 45353), (2387, 30191), (2497, 28861), (4123, 17479), (4313, 16709), (6479, 11123), (7037, 10241)]