3990038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 6985440

約数和(自身を除く): 2995402

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 197, 247, 394, 494, 533, 779, 1066, 1558, 2561, 3743, 5122, 7486, 8077, 10127, 16154, 20254, 48659, 97318, 105001, 153463, 210002, 306926, 1995019, 3990038]

約数ペア:

[(1, 3990038), (2, 1995019), (13, 306926), (19, 210002), (26, 153463), (38, 105001), (41, 97318), (82, 48659), (197, 20254), (247, 16154), (394, 10127), (494, 8077), (533, 7486), (779, 5122), (1066, 3743), (1558, 2561)]