87877888

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 220752000

約数和(自身を除く): 132874112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 64, 76, 89, 112, 116, 128, 133, 152, 178, 203, 224, 232, 256, 266, 304, 356, 406, 448, 464, 532, 551, 608, 623, 712, 812, 896, 928, 1064, 1102, 1216, 1246, 1424, 1624, 1691, 1792, 1856, 2128, 2204, 2432, 2492, 2581, 2848, 3248, 3382, 3712, 3857, 4256, 4408, 4864, 4984, 5162, 5696, 6496, 6764, 7424, 7714, 8512, 8816, 9968, 10324, 11392, 11837, 12992, 13528, 15428, 17024, 17632, 18067, 19936, 20648, 22784, 23674, 25984, 27056, 30856, 34048, 35264, 36134, 39872, 41296, 47348, 49039, 51968, 54112, 61712, 70528, 72268, 79744, 82592, 94696, 98078, 108224, 123424, 141056, 144536, 159488, 165184, 189392, 196156, 216448, 246848, 289072, 330368, 343273, 378784, 392312, 432896, 493696, 578144, 660736, 686546, 757568, 784624, 987392, 1156288, 1373092, 1515136, 1569248, 2312576, 2746184, 3030272, 3138496, 4625152, 5492368, 6276992, 10984736, 12553984, 21969472, 43938944, 87877888]

約数ペア:

[(1, 87877888), (2, 43938944), (4, 21969472), (7, 12553984), (8, 10984736), (14, 6276992), (16, 5492368), (19, 4625152), (28, 3138496), (29, 3030272), (32, 2746184), (38, 2312576), (56, 1569248), (58, 1515136), (64, 1373092), (76, 1156288), (89, 987392), (112, 784624), (116, 757568), (128, 686546), (133, 660736), (152, 578144), (178, 493696), (203, 432896), (224, 392312), (232, 378784), (256, 343273), (266, 330368), (304, 289072), (356, 246848), (406, 216448), (448, 196156), (464, 189392), (532, 165184), (551, 159488), (608, 144536), (623, 141056), (712, 123424), (812, 108224), (896, 98078), (928, 94696), (1064, 82592), (1102, 79744), (1216, 72268), (1246, 70528), (1424, 61712), (1624, 54112), (1691, 51968), (1792, 49039), (1856, 47348), (2128, 41296), (2204, 39872), (2432, 36134), (2492, 35264), (2581, 34048), (2848, 30856), (3248, 27056), (3382, 25984), (3712, 23674), (3857, 22784), (4256, 20648), (4408, 19936), (4864, 18067), (4984, 17632), (5162, 17024), (5696, 15428), (6496, 13528), (6764, 12992), (7424, 11837), (7714, 11392), (8512, 10324), (8816, 9968)]