647884056

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 1741824000

約数和(自身を除く): 1093939944

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 79, 83, 92, 138, 158, 166, 179, 184, 237, 249, 276, 316, 332, 358, 474, 498, 537, 552, 632, 664, 716, 948, 996, 1074, 1432, 1817, 1896, 1909, 1992, 2148, 3634, 3818, 4117, 4296, 5451, 5727, 6557, 7268, 7636, 8234, 10902, 11454, 12351, 13114, 14141, 14536, 14857, 15272, 16468, 19671, 21804, 22908, 24702, 26228, 28282, 29714, 32936, 39342, 42423, 43608, 44571, 45816, 49404, 52456, 56564, 59428, 78684, 84846, 89142, 98808, 113128, 118856, 150811, 157368, 169692, 178284, 301622, 325243, 339384, 341711, 356568, 452433, 603244, 650486, 683422, 904866, 975729, 1025133, 1173703, 1206488, 1300972, 1366844, 1809732, 1951458, 2050266, 2347406, 2601944, 2733688, 3521109, 3619464, 3902916, 4100532, 4694812, 7042218, 7805832, 8201064, 9389624, 14084436, 26995169, 28168872, 53990338, 80985507, 107980676, 161971014, 215961352, 323942028, 647884056]

約数ペア:

[(1, 647884056), (2, 323942028), (3, 215961352), (4, 161971014), (6, 107980676), (8, 80985507), (12, 53990338), (23, 28168872), (24, 26995169), (46, 14084436), (69, 9389624), (79, 8201064), (83, 7805832), (92, 7042218), (138, 4694812), (158, 4100532), (166, 3902916), (179, 3619464), (184, 3521109), (237, 2733688), (249, 2601944), (276, 2347406), (316, 2050266), (332, 1951458), (358, 1809732), (474, 1366844), (498, 1300972), (537, 1206488), (552, 1173703), (632, 1025133), (664, 975729), (716, 904866), (948, 683422), (996, 650486), (1074, 603244), (1432, 452433), (1817, 356568), (1896, 341711), (1909, 339384), (1992, 325243), (2148, 301622), (3634, 178284), (3818, 169692), (4117, 157368), (4296, 150811), (5451, 118856), (5727, 113128), (6557, 98808), (7268, 89142), (7636, 84846), (8234, 78684), (10902, 59428), (11454, 56564), (12351, 52456), (13114, 49404), (14141, 45816), (14536, 44571), (14857, 43608), (15272, 42423), (16468, 39342), (19671, 32936), (21804, 29714), (22908, 28282), (24702, 26228)]