1440692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 2782080

約数和(自身を除く): 1341388

約数列:

[1, 2, 4, 11, 22, 44, 137, 239, 274, 478, 548, 956, 1507, 2629, 3014, 5258, 6028, 10516, 32743, 65486, 130972, 360173, 720346, 1440692]

約数ペア:

[(1, 1440692), (2, 720346), (4, 360173), (11, 130972), (22, 65486), (44, 32743), (137, 10516), (239, 6028), (274, 5258), (478, 3014), (548, 2629), (956, 1507)]