1687423744

素因数分解:

$2^8\times {\mathrm{19}}^3\times {\mathrm{31}}^2$

素因数の和:135

約数の個数: 108

約数和(自身を含む): 3673742520

約数和(自身を除く): 1986318776

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 361, 496, 589, 608, 722, 961, 992, 1178, 1216, 1444, 1922, 1984, 2356, 2432, 2888, 3844, 3968, 4712, 4864, 5776, 6859, 7688, 7936, 9424, 11191, 11552, 13718, 15376, 18259, 18848, 22382, 23104, 27436, 30752, 36518, 37696, 44764, 46208, 54872, 61504, 73036, 75392, 89528, 92416, 109744, 123008, 146072, 150784, 179056, 212629, 219488, 246016, 292144, 346921, 358112, 425258, 438976, 584288, 693842, 716224, 850516, 877952, 1168576, 1387684, 1432448, 1701032, 1755904, 2337152, 2775368, 2864896, 3402064, 4674304, 5550736, 6591499, 6804128, 11101472, 13182998, 13608256, 22202944, 26365996, 27216512, 44405888, 52731992, 54433024, 88811776, 105463984, 210927968, 421855936, 843711872, 1687423744]

約数ペア:

[(1, 1687423744), (2, 843711872), (4, 421855936), (8, 210927968), (16, 105463984), (19, 88811776), (31, 54433024), (32, 52731992), (38, 44405888), (62, 27216512), (64, 26365996), (76, 22202944), (124, 13608256), (128, 13182998), (152, 11101472), (248, 6804128), (256, 6591499), (304, 5550736), (361, 4674304), (496, 3402064), (589, 2864896), (608, 2775368), (722, 2337152), (961, 1755904), (992, 1701032), (1178, 1432448), (1216, 1387684), (1444, 1168576), (1922, 877952), (1984, 850516), (2356, 716224), (2432, 693842), (2888, 584288), (3844, 438976), (3968, 425258), (4712, 358112), (4864, 346921), (5776, 292144), (6859, 246016), (7688, 219488), (7936, 212629), (9424, 179056), (11191, 150784), (11552, 146072), (13718, 123008), (15376, 109744), (18259, 92416), (18848, 89528), (22382, 75392), (23104, 73036), (27436, 61504), (30752, 54872), (36518, 46208), (37696, 44764)]