635168690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2689}}^1$

素因数の和:2811

約数の個数: 64

約数和(自身を含む): 1301529600

約数和(自身を除く): 666360910

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 79, 115, 130, 158, 230, 299, 395, 598, 790, 1027, 1495, 1817, 2054, 2689, 2990, 3634, 5135, 5378, 9085, 10270, 13445, 18170, 23621, 26890, 34957, 47242, 61847, 69914, 118105, 123694, 174785, 212431, 236210, 309235, 349570, 424862, 618470, 804011, 1062155, 1608022, 2124310, 2761603, 4020055, 4885913, 5523206, 8040110, 9771826, 13808015, 24429565, 27616030, 48859130, 63516869, 127033738, 317584345, 635168690]

約数ペア:

[(1, 635168690), (2, 317584345), (5, 127033738), (10, 63516869), (13, 48859130), (23, 27616030), (26, 24429565), (46, 13808015), (65, 9771826), (79, 8040110), (115, 5523206), (130, 4885913), (158, 4020055), (230, 2761603), (299, 2124310), (395, 1608022), (598, 1062155), (790, 804011), (1027, 618470), (1495, 424862), (1817, 349570), (2054, 309235), (2689, 236210), (2990, 212431), (3634, 174785), (5135, 123694), (5378, 118105), (9085, 69914), (10270, 61847), (13445, 47242), (18170, 34957), (23621, 26890)]