2578889318

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 4052505600

約数和(自身を除く): 1473616282

約数列:

[1, 2, 31, 62, 131, 149, 262, 298, 2131, 4061, 4262, 4619, 8122, 9238, 19519, 39038, 66061, 132122, 279161, 317519, 558322, 605089, 635038, 1210178, 8653991, 9843089, 17307982, 19686178, 41594989, 83189978, 1289444659, 2578889318]

約数ペア:

[(1, 2578889318), (2, 1289444659), (31, 83189978), (62, 41594989), (131, 19686178), (149, 17307982), (262, 9843089), (298, 8653991), (2131, 1210178), (4061, 635038), (4262, 605089), (4619, 558322), (8122, 317519), (9238, 279161), (19519, 132122), (39038, 66061)]