1390344956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347239}}^1$

素因数の和:347274

約数の個数: 48

約数和(自身を含む): 3266833920

約数和(自身を除く): 1876488964

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 347239, 694478, 1388956, 2430673, 3819629, 4514107, 4861346, 7639258, 9028214, 9722692, 15278516, 18056428, 26737403, 31598749, 49655177, 53474806, 63197498, 99310354, 106949612, 126394996, 198620708, 347586239, 695172478, 1390344956]

約数ペア:

[(1, 1390344956), (2, 695172478), (4, 347586239), (7, 198620708), (11, 126394996), (13, 106949612), (14, 99310354), (22, 63197498), (26, 53474806), (28, 49655177), (44, 31598749), (52, 26737403), (77, 18056428), (91, 15278516), (143, 9722692), (154, 9028214), (182, 7639258), (286, 4861346), (308, 4514107), (364, 3819629), (572, 2430673), (1001, 1388956), (2002, 694478), (4004, 347239)]