7921914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 13367046

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 1319, 2002, 2638, 3003, 3957, 6006, 7914, 9233, 14509, 17147, 18466, 27699, 29018, 34294, 43527, 51441, 55398, 87054, 101563, 102882, 120029, 188617, 203126, 240058, 304689, 360087, 377234, 565851, 609378, 720174, 1131702, 1320319, 2640638, 3960957, 7921914]

約数ペア:

[(1, 7921914), (2, 3960957), (3, 2640638), (6, 1320319), (7, 1131702), (11, 720174), (13, 609378), (14, 565851), (21, 377234), (22, 360087), (26, 304689), (33, 240058), (39, 203126), (42, 188617), (66, 120029), (77, 102882), (78, 101563), (91, 87054), (143, 55398), (154, 51441), (182, 43527), (231, 34294), (273, 29018), (286, 27699), (429, 18466), (462, 17147), (546, 14509), (858, 9233), (1001, 7914), (1319, 6006), (2002, 3957), (2638, 3003)]