1989569792

素因数分解:

$2^8\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2131}}^1$

素因数の和:2675

約数の個数: 72

約数和(自身を含む): 4549551552

約数和(自身を除く): 2559981760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 521, 896, 1042, 1792, 2084, 2131, 3647, 4168, 4262, 7294, 8336, 8524, 14588, 14917, 16672, 17048, 29176, 29834, 33344, 34096, 58352, 59668, 66688, 68192, 116704, 119336, 133376, 136384, 233408, 238672, 272768, 466816, 477344, 545536, 933632, 954688, 1110251, 1909376, 2220502, 3818752, 4441004, 7771757, 8882008, 15543514, 17764016, 31087028, 35528032, 62174056, 71056064, 124348112, 142112128, 248696224, 284224256, 497392448, 994784896, 1989569792]

約数ペア:

[(1, 1989569792), (2, 994784896), (4, 497392448), (7, 284224256), (8, 248696224), (14, 142112128), (16, 124348112), (28, 71056064), (32, 62174056), (56, 35528032), (64, 31087028), (112, 17764016), (128, 15543514), (224, 8882008), (256, 7771757), (448, 4441004), (521, 3818752), (896, 2220502), (1042, 1909376), (1792, 1110251), (2084, 954688), (2131, 933632), (3647, 545536), (4168, 477344), (4262, 466816), (7294, 272768), (8336, 238672), (8524, 233408), (14588, 136384), (14917, 133376), (16672, 119336), (17048, 116704), (29176, 68192), (29834, 66688), (33344, 59668), (34096, 58352)]