814443344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20939}}^1$

素因数の和:20988

約数の個数: 80

約数和(自身を含む): 1962999360

約数和(自身を除く): 1148556016

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 9724, 19448, 20939, 38896, 41878, 83756, 167512, 230329, 272207, 335024, 355963, 460658, 544414, 711926, 921316, 1088828, 1423852, 1842632, 2177656, 2847704, 2994277, 3685264, 3915593, 4355312, 4627519, 5695408, 5988554, 7831186, 9255038, 11977108, 15662372, 18510076, 23954216, 31324744, 37020152, 47908432, 50902709, 62649488, 74040304, 101805418, 203610836, 407221672, 814443344]

約数ペア:

[(1, 814443344), (2, 407221672), (4, 203610836), (8, 101805418), (11, 74040304), (13, 62649488), (16, 50902709), (17, 47908432), (22, 37020152), (26, 31324744), (34, 23954216), (44, 18510076), (52, 15662372), (68, 11977108), (88, 9255038), (104, 7831186), (136, 5988554), (143, 5695408), (176, 4627519), (187, 4355312), (208, 3915593), (221, 3685264), (272, 2994277), (286, 2847704), (374, 2177656), (442, 1842632), (572, 1423852), (748, 1088828), (884, 921316), (1144, 711926), (1496, 544414), (1768, 460658), (2288, 355963), (2431, 335024), (2992, 272207), (3536, 230329), (4862, 167512), (9724, 83756), (19448, 41878), (20939, 38896)]