398288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 880896

約数和(自身を除く): 482608

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 73, 88, 124, 146, 176, 248, 292, 341, 496, 584, 682, 803, 1168, 1364, 1606, 2263, 2728, 3212, 4526, 5456, 6424, 9052, 12848, 18104, 24893, 36208, 49786, 99572, 199144, 398288]

約数ペア:

[(1, 398288), (2, 199144), (4, 99572), (8, 49786), (11, 36208), (16, 24893), (22, 18104), (31, 12848), (44, 9052), (62, 6424), (73, 5456), (88, 4526), (124, 3212), (146, 2728), (176, 2263), (248, 1606), (292, 1364), (341, 1168), (496, 803), (584, 682)]