2988290417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 3652561920

約数和(自身を除く): 664271503

約数列:

[1, 7, 19, 83, 133, 421, 581, 643, 1577, 2947, 4501, 7999, 11039, 12217, 34943, 53369, 55993, 85519, 244601, 270703, 373583, 663917, 1014011, 1894921, 4647419, 5143357, 7098077, 22468349, 36003499, 157278443, 426898631, 2988290417]

約数ペア:

[(1, 2988290417), (7, 426898631), (19, 157278443), (83, 36003499), (133, 22468349), (421, 7098077), (581, 5143357), (643, 4647419), (1577, 1894921), (2947, 1014011), (4501, 663917), (7999, 373583), (11039, 270703), (12217, 244601), (34943, 85519), (53369, 55993)]