1998023846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 4044902400

約数和(自身を除く): 2046878554

約数列:

[1, 2, 7, 13, 14, 23, 26, 29, 46, 58, 91, 109, 151, 161, 182, 203, 218, 299, 302, 322, 377, 406, 598, 667, 754, 763, 1057, 1334, 1417, 1526, 1963, 2093, 2114, 2507, 2639, 2834, 3161, 3473, 3926, 4186, 4379, 4669, 5014, 5278, 6322, 6946, 8671, 8758, 9338, 9919, 13741, 16459, 17342, 17549, 19838, 22127, 24311, 27482, 30653, 32591, 32918, 35098, 41093, 44254, 45149, 48622, 56927, 60697, 61306, 65182, 72703, 82186, 90298, 100717, 113854, 115213, 121394, 145406, 201434, 213967, 228137, 230426, 287651, 316043, 378557, 398489, 427934, 456274, 477311, 508921, 575302, 632086, 705019, 757114, 796978, 945139, 954622, 1017842, 1309321, 1410038, 1497769, 1890278, 2618642, 2649899, 2995538, 3341177, 4921241, 5299798, 6205043, 6615973, 6682354, 9165247, 9842482, 10978153, 12410086, 13231946, 18330494, 21956306, 34448687, 43435301, 68897374, 76847071, 86870602, 142715989, 153694142, 285431978, 999011923, 1998023846]

約数ペア:

[(1, 1998023846), (2, 999011923), (7, 285431978), (13, 153694142), (14, 142715989), (23, 86870602), (26, 76847071), (29, 68897374), (46, 43435301), (58, 34448687), (91, 21956306), (109, 18330494), (151, 13231946), (161, 12410086), (182, 10978153), (203, 9842482), (218, 9165247), (299, 6682354), (302, 6615973), (322, 6205043), (377, 5299798), (406, 4921241), (598, 3341177), (667, 2995538), (754, 2649899), (763, 2618642), (1057, 1890278), (1334, 1497769), (1417, 1410038), (1526, 1309321), (1963, 1017842), (2093, 954622), (2114, 945139), (2507, 796978), (2639, 757114), (2834, 705019), (3161, 632086), (3473, 575302), (3926, 508921), (4186, 477311), (4379, 456274), (4669, 427934), (5014, 398489), (5278, 378557), (6322, 316043), (6946, 287651), (8671, 230426), (8758, 228137), (9338, 213967), (9919, 201434), (13741, 145406), (16459, 121394), (17342, 115213), (17549, 113854), (19838, 100717), (22127, 90298), (24311, 82186), (27482, 72703), (30653, 65182), (32591, 61306), (32918, 60697), (35098, 56927), (41093, 48622), (44254, 45149)]