638282016

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 1908676224

約数和(自身を除く): 1270394208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 167, 184, 207, 276, 288, 334, 368, 414, 501, 552, 577, 668, 736, 828, 1002, 1104, 1154, 1336, 1503, 1656, 1731, 2004, 2208, 2308, 2672, 3006, 3312, 3462, 3841, 4008, 4616, 5193, 5344, 6012, 6624, 6924, 7682, 8016, 9232, 10386, 11523, 12024, 13271, 13848, 15364, 16032, 18464, 20772, 23046, 24048, 26542, 27696, 30728, 34569, 39813, 41544, 46092, 48096, 53084, 55392, 61456, 69138, 79626, 83088, 92184, 96359, 106168, 119439, 122912, 138276, 159252, 166176, 184368, 192718, 212336, 238878, 276552, 289077, 318504, 368736, 385436, 424672, 477756, 553104, 578154, 637008, 770872, 867231, 955512, 1106208, 1156308, 1274016, 1541744, 1734462, 1911024, 2216257, 2312616, 3083488, 3468924, 3822048, 4432514, 4625232, 6648771, 6937848, 8865028, 9250464, 13297542, 13875696, 17730056, 19946313, 26595084, 27751392, 35460112, 39892626, 53190168, 70920224, 79785252, 106380336, 159570504, 212760672, 319141008, 638282016]

約数ペア:

[(1, 638282016), (2, 319141008), (3, 212760672), (4, 159570504), (6, 106380336), (8, 79785252), (9, 70920224), (12, 53190168), (16, 39892626), (18, 35460112), (23, 27751392), (24, 26595084), (32, 19946313), (36, 17730056), (46, 13875696), (48, 13297542), (69, 9250464), (72, 8865028), (92, 6937848), (96, 6648771), (138, 4625232), (144, 4432514), (167, 3822048), (184, 3468924), (207, 3083488), (276, 2312616), (288, 2216257), (334, 1911024), (368, 1734462), (414, 1541744), (501, 1274016), (552, 1156308), (577, 1106208), (668, 955512), (736, 867231), (828, 770872), (1002, 637008), (1104, 578154), (1154, 553104), (1336, 477756), (1503, 424672), (1656, 385436), (1731, 368736), (2004, 318504), (2208, 289077), (2308, 276552), (2672, 238878), (3006, 212336), (3312, 192718), (3462, 184368), (3841, 166176), (4008, 159252), (4616, 138276), (5193, 122912), (5344, 119439), (6012, 106168), (6624, 96359), (6924, 92184), (7682, 83088), (8016, 79626), (9232, 69138), (10386, 61456), (11523, 55392), (12024, 53084), (13271, 48096), (13848, 46092), (15364, 41544), (16032, 39813), (18464, 34569), (20772, 30728), (23046, 27696), (24048, 26542)]