645366948

素因数分解:

$2^2\times 3^1\times {\mathrm{991}}^1\times {\mathrm{54269}}^1$

素因数の和:55267

約数の個数: 24

約数和(自身を含む): 1507403520

約数和(自身を除く): 862036572

約数列:

[1, 2, 3, 4, 6, 12, 991, 1982, 2973, 3964, 5946, 11892, 54269, 108538, 162807, 217076, 325614, 651228, 53780579, 107561158, 161341737, 215122316, 322683474, 645366948]

約数ペア:

[(1, 645366948), (2, 322683474), (3, 215122316), (4, 161341737), (6, 107561158), (12, 53780579), (991, 651228), (1982, 325614), (2973, 217076), (3964, 162807), (5946, 108538), (11892, 54269)]