1999853128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1571

約数の個数: 128

約数和(自身を含む): 4877107200

約数和(自身を除く): 2877254072

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 83, 91, 92, 104, 161, 166, 182, 184, 299, 322, 332, 364, 581, 598, 644, 664, 728, 1079, 1162, 1196, 1288, 1439, 1909, 2093, 2158, 2324, 2392, 2878, 3818, 4186, 4316, 4648, 5756, 7553, 7636, 8372, 8632, 10073, 11512, 13363, 15106, 15272, 16744, 18707, 20146, 24817, 26726, 30212, 33097, 37414, 40292, 49634, 53452, 60424, 66194, 74828, 80584, 99268, 106904, 119437, 130949, 132388, 149656, 173719, 198536, 231679, 238874, 261898, 264776, 347438, 430261, 463358, 477748, 523796, 694876, 836059, 860522, 926716, 955496, 1047592, 1389752, 1552681, 1672118, 1721044, 1853432, 2747051, 3011827, 3105362, 3344236, 3442088, 5494102, 6023654, 6210724, 6688472, 10868767, 10988204, 12047308, 12421448, 19229357, 21737534, 21976408, 24094616, 35711663, 38458714, 43475068, 71423326, 76917428, 86950136, 142846652, 153834856, 249981641, 285693304, 499963282, 999926564, 1999853128]

約数ペア:

[(1, 1999853128), (2, 999926564), (4, 499963282), (7, 285693304), (8, 249981641), (13, 153834856), (14, 142846652), (23, 86950136), (26, 76917428), (28, 71423326), (46, 43475068), (52, 38458714), (56, 35711663), (83, 24094616), (91, 21976408), (92, 21737534), (104, 19229357), (161, 12421448), (166, 12047308), (182, 10988204), (184, 10868767), (299, 6688472), (322, 6210724), (332, 6023654), (364, 5494102), (581, 3442088), (598, 3344236), (644, 3105362), (664, 3011827), (728, 2747051), (1079, 1853432), (1162, 1721044), (1196, 1672118), (1288, 1552681), (1439, 1389752), (1909, 1047592), (2093, 955496), (2158, 926716), (2324, 860522), (2392, 836059), (2878, 694876), (3818, 523796), (4186, 477748), (4316, 463358), (4648, 430261), (5756, 347438), (7553, 264776), (7636, 261898), (8372, 238874), (8632, 231679), (10073, 198536), (11512, 173719), (13363, 149656), (15106, 132388), (15272, 130949), (16744, 119437), (18707, 106904), (20146, 99268), (24817, 80584), (26726, 74828), (30212, 66194), (33097, 60424), (37414, 53452), (40292, 49634)]