661164032

素因数分解:

$2^{12}\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 104

約数和(自身を含む): 1409114112

約数和(自身を除く): 747950080

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 127, 128, 164, 248, 254, 256, 328, 496, 508, 512, 656, 992, 1016, 1024, 1271, 1312, 1984, 2032, 2048, 2542, 2624, 3937, 3968, 4064, 4096, 5084, 5207, 5248, 7874, 7936, 8128, 10168, 10414, 10496, 15748, 15872, 16256, 20336, 20828, 20992, 31496, 31744, 32512, 40672, 41656, 41984, 62992, 63488, 65024, 81344, 83312, 83968, 125984, 126976, 130048, 161417, 162688, 166624, 167936, 251968, 260096, 322834, 325376, 333248, 503936, 520192, 645668, 650752, 666496, 1007872, 1291336, 1301504, 1332992, 2015744, 2582672, 2603008, 2665984, 4031488, 5165344, 5206016, 5331968, 8062976, 10330688, 10663936, 16125952, 20661376, 21327872, 41322752, 82645504, 165291008, 330582016, 661164032]

約数ペア:

[(1, 661164032), (2, 330582016), (4, 165291008), (8, 82645504), (16, 41322752), (31, 21327872), (32, 20661376), (41, 16125952), (62, 10663936), (64, 10330688), (82, 8062976), (124, 5331968), (127, 5206016), (128, 5165344), (164, 4031488), (248, 2665984), (254, 2603008), (256, 2582672), (328, 2015744), (496, 1332992), (508, 1301504), (512, 1291336), (656, 1007872), (992, 666496), (1016, 650752), (1024, 645668), (1271, 520192), (1312, 503936), (1984, 333248), (2032, 325376), (2048, 322834), (2542, 260096), (2624, 251968), (3937, 167936), (3968, 166624), (4064, 162688), (4096, 161417), (5084, 130048), (5207, 126976), (5248, 125984), (7874, 83968), (7936, 83312), (8128, 81344), (10168, 65024), (10414, 63488), (10496, 62992), (15748, 41984), (15872, 41656), (16256, 40672), (20336, 32512), (20828, 31744), (20992, 31496)]