642278014

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 1195983360

約数和(自身を除く): 553705346

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 233, 241, 266, 301, 466, 482, 602, 817, 1631, 1634, 1687, 3262, 3374, 4427, 4579, 5719, 8854, 9158, 10019, 10363, 11438, 20038, 20726, 30989, 32053, 56153, 61978, 64106, 70133, 72541, 112306, 140266, 145082, 190361, 196897, 380722, 393071, 393794, 786142, 1066907, 1332527, 1378279, 2133814, 2414579, 2665054, 2756558, 4829158, 7468349, 14936698, 16902053, 33804106, 45877001, 91754002, 321139007, 642278014]

約数ペア:

[(1, 642278014), (2, 321139007), (7, 91754002), (14, 45877001), (19, 33804106), (38, 16902053), (43, 14936698), (86, 7468349), (133, 4829158), (233, 2756558), (241, 2665054), (266, 2414579), (301, 2133814), (466, 1378279), (482, 1332527), (602, 1066907), (817, 786142), (1631, 393794), (1634, 393071), (1687, 380722), (3262, 196897), (3374, 190361), (4427, 145082), (4579, 140266), (5719, 112306), (8854, 72541), (9158, 70133), (10019, 64106), (10363, 61978), (11438, 56153), (20038, 32053), (20726, 30989)]