638973762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{27611}}^1$

素因数の和:27671

約数の個数: 64

約数和(自身を含む): 1590451200

約数和(自身を除く): 951477438

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 798, 1102, 1218, 1653, 3306, 3857, 7714, 11571, 23142, 27611, 55222, 82833, 165666, 193277, 386554, 524609, 579831, 800719, 1049218, 1159662, 1573827, 1601438, 2402157, 3147654, 3672263, 4804314, 5605033, 7344526, 11016789, 11210066, 15213661, 16815099, 22033578, 30427322, 33630198, 45640983, 91281966, 106495627, 212991254, 319486881, 638973762]

約数ペア:

[(1, 638973762), (2, 319486881), (3, 212991254), (6, 106495627), (7, 91281966), (14, 45640983), (19, 33630198), (21, 30427322), (29, 22033578), (38, 16815099), (42, 15213661), (57, 11210066), (58, 11016789), (87, 7344526), (114, 5605033), (133, 4804314), (174, 3672263), (203, 3147654), (266, 2402157), (399, 1601438), (406, 1573827), (551, 1159662), (609, 1049218), (798, 800719), (1102, 579831), (1218, 524609), (1653, 386554), (3306, 193277), (3857, 165666), (7714, 82833), (11571, 55222), (23142, 27611)]