2156375948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{2131}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 4177764864

約数和(自身を除く): 2021388916

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 647, 782, 1294, 1564, 2131, 2588, 4262, 8524, 10999, 14881, 21998, 29762, 36227, 43996, 49013, 59524, 72454, 98026, 144908, 196052, 252977, 505954, 833221, 1011908, 1378757, 1666442, 2757514, 3332884, 5515028, 23438869, 31711411, 46877738, 63422822, 93755476, 126845644, 539093987, 1078187974, 2156375948]

約数ペア:

[(1, 2156375948), (2, 1078187974), (4, 539093987), (17, 126845644), (23, 93755476), (34, 63422822), (46, 46877738), (68, 31711411), (92, 23438869), (391, 5515028), (647, 3332884), (782, 2757514), (1294, 1666442), (1564, 1378757), (2131, 1011908), (2588, 833221), (4262, 505954), (8524, 252977), (10999, 196052), (14881, 144908), (21998, 98026), (29762, 72454), (36227, 59524), (43996, 49013)]