398905078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3313}}^1$

素因数の和:3760

約数の個数: 32

約数和(自身を含む): 704848032

約数和(自身を除く): 305942954

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 421, 842, 3313, 4631, 5473, 6626, 9262, 10946, 36443, 43069, 60203, 72886, 86138, 120406, 473759, 947518, 1394773, 2789546, 15342503, 18132049, 30685006, 36264098, 199452539, 398905078]

約数ペア:

[(1, 398905078), (2, 199452539), (11, 36264098), (13, 30685006), (22, 18132049), (26, 15342503), (143, 2789546), (286, 1394773), (421, 947518), (842, 473759), (3313, 120406), (4631, 86138), (5473, 72886), (6626, 60203), (9262, 43069), (10946, 36443)]