221505432016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1993}}^1\times {\mathrm{631487}}^1$

素因数の和:633499

約数の個数: 40

約数和(自身を含む): 468417590784

約数和(自身を除く): 246912158768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1993, 3986, 7972, 15944, 21923, 31888, 43846, 87692, 175384, 350768, 631487, 1262974, 2525948, 5051896, 6946357, 10103792, 13892714, 27785428, 55570856, 111141712, 1258553591, 2517107182, 5034214364, 10068428728, 13844089501, 20136857456, 27688179002, 55376358004, 110752716008, 221505432016]

約数ペア:

[(1, 221505432016), (2, 110752716008), (4, 55376358004), (8, 27688179002), (11, 20136857456), (16, 13844089501), (22, 10068428728), (44, 5034214364), (88, 2517107182), (176, 1258553591), (1993, 111141712), (3986, 55570856), (7972, 27785428), (15944, 13892714), (21923, 10103792), (31888, 6946357), (43846, 5051896), (87692, 2525948), (175384, 1262974), (350768, 631487)]