670989813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 1061932032

約数和(自身を除く): 390942219

約数列:

[1, 3, 13, 17, 39, 47, 51, 61, 141, 183, 221, 353, 611, 663, 793, 799, 1037, 1059, 1833, 2379, 2397, 2867, 3111, 4589, 6001, 8601, 10387, 13481, 13767, 16591, 18003, 21533, 31161, 37271, 40443, 48739, 49773, 64599, 78013, 111813, 146217, 215683, 234039, 279929, 282047, 366061, 633607, 647049, 839787, 846141, 1012051, 1098183, 1900821, 3036153, 3666611, 4758793, 10999833, 13156663, 14276379, 17204867, 39469989, 51614601, 223663271, 670989813]

約数ペア:

[(1, 670989813), (3, 223663271), (13, 51614601), (17, 39469989), (39, 17204867), (47, 14276379), (51, 13156663), (61, 10999833), (141, 4758793), (183, 3666611), (221, 3036153), (353, 1900821), (611, 1098183), (663, 1012051), (793, 846141), (799, 839787), (1037, 647049), (1059, 633607), (1833, 366061), (2379, 282047), (2397, 279929), (2867, 234039), (3111, 215683), (4589, 146217), (6001, 111813), (8601, 78013), (10387, 64599), (13481, 49773), (13767, 48739), (16591, 40443), (18003, 37271), (21533, 31161)]