988916864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1086

約数の個数: 128

約数和(自身を含む): 2307648000

約数和(自身を除く): 1318731136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 128, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 832, 988, 992, 1009, 1178, 1216, 1612, 1664, 1976, 1984, 2018, 2356, 2432, 3224, 3952, 3968, 4036, 4712, 6448, 7657, 7904, 8072, 9424, 12896, 13117, 15314, 15808, 16144, 18848, 19171, 25792, 26234, 30628, 31279, 31616, 32288, 37696, 38342, 51584, 52468, 61256, 62558, 64576, 75392, 76684, 104936, 122512, 125116, 129152, 153368, 209872, 245024, 249223, 250232, 306736, 406627, 419744, 490048, 498446, 500464, 594301, 613472, 813254, 839488, 980096, 996892, 1000928, 1188602, 1226944, 1626508, 1678976, 1993784, 2001856, 2377204, 2453888, 3253016, 3987568, 4003712, 4754408, 6506032, 7725913, 7975136, 9508816, 13012064, 15451826, 15950272, 19017632, 26024128, 30903652, 31900544, 38035264, 52048256, 61807304, 76070528, 123614608, 247229216, 494458432, 988916864]

約数ペア:

[(1, 988916864), (2, 494458432), (4, 247229216), (8, 123614608), (13, 76070528), (16, 61807304), (19, 52048256), (26, 38035264), (31, 31900544), (32, 30903652), (38, 26024128), (52, 19017632), (62, 15950272), (64, 15451826), (76, 13012064), (104, 9508816), (124, 7975136), (128, 7725913), (152, 6506032), (208, 4754408), (247, 4003712), (248, 3987568), (304, 3253016), (403, 2453888), (416, 2377204), (494, 2001856), (496, 1993784), (589, 1678976), (608, 1626508), (806, 1226944), (832, 1188602), (988, 1000928), (992, 996892), (1009, 980096), (1178, 839488), (1216, 813254), (1612, 613472), (1664, 594301), (1976, 500464), (1984, 498446), (2018, 490048), (2356, 419744), (2432, 406627), (3224, 306736), (3952, 250232), (3968, 249223), (4036, 245024), (4712, 209872), (6448, 153368), (7657, 129152), (7904, 125116), (8072, 122512), (9424, 104936), (12896, 76684), (13117, 75392), (15314, 64576), (15808, 62558), (16144, 61256), (18848, 52468), (19171, 51584), (25792, 38342), (26234, 37696), (30628, 32288), (31279, 31616)]