131351808

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 407949696

約数和(自身を除く): 276597888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 84, 96, 106, 112, 128, 159, 168, 192, 212, 224, 256, 318, 336, 371, 384, 424, 448, 461, 636, 672, 742, 768, 848, 896, 922, 1113, 1272, 1344, 1383, 1484, 1696, 1792, 1844, 2226, 2544, 2688, 2766, 2968, 3227, 3392, 3688, 4452, 5088, 5376, 5532, 5936, 6454, 6784, 7376, 8904, 9681, 10176, 11064, 11872, 12908, 13568, 14752, 17808, 19362, 20352, 22128, 23744, 24433, 25816, 29504, 35616, 38724, 40704, 44256, 47488, 48866, 51632, 59008, 71232, 73299, 77448, 88512, 94976, 97732, 103264, 118016, 142464, 146598, 154896, 171031, 177024, 195464, 206528, 284928, 293196, 309792, 342062, 354048, 390928, 413056, 513093, 586392, 619584, 684124, 781856, 826112, 1026186, 1172784, 1239168, 1368248, 1563712, 2052372, 2345568, 2478336, 2736496, 3127424, 4104744, 4691136, 5472992, 6254848, 8209488, 9382272, 10945984, 16418976, 18764544, 21891968, 32837952, 43783936, 65675904, 131351808]

約数ペア:

[(1, 131351808), (2, 65675904), (3, 43783936), (4, 32837952), (6, 21891968), (7, 18764544), (8, 16418976), (12, 10945984), (14, 9382272), (16, 8209488), (21, 6254848), (24, 5472992), (28, 4691136), (32, 4104744), (42, 3127424), (48, 2736496), (53, 2478336), (56, 2345568), (64, 2052372), (84, 1563712), (96, 1368248), (106, 1239168), (112, 1172784), (128, 1026186), (159, 826112), (168, 781856), (192, 684124), (212, 619584), (224, 586392), (256, 513093), (318, 413056), (336, 390928), (371, 354048), (384, 342062), (424, 309792), (448, 293196), (461, 284928), (636, 206528), (672, 195464), (742, 177024), (768, 171031), (848, 154896), (896, 146598), (922, 142464), (1113, 118016), (1272, 103264), (1344, 97732), (1383, 94976), (1484, 88512), (1696, 77448), (1792, 73299), (1844, 71232), (2226, 59008), (2544, 51632), (2688, 48866), (2766, 47488), (2968, 44256), (3227, 40704), (3392, 38724), (3688, 35616), (4452, 29504), (5088, 25816), (5376, 24433), (5532, 23744), (5936, 22128), (6454, 20352), (6784, 19362), (7376, 17808), (8904, 14752), (9681, 13568), (10176, 12908), (11064, 11872)]