87223136

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 235282320

約数和(自身を除く): 148059184

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 224, 286, 308, 352, 364, 389, 392, 416, 539, 572, 616, 637, 728, 778, 784, 1001, 1078, 1144, 1232, 1274, 1456, 1556, 1568, 2002, 2156, 2288, 2464, 2548, 2723, 2912, 3112, 4004, 4279, 4312, 4576, 5057, 5096, 5446, 6224, 7007, 8008, 8558, 8624, 10114, 10192, 10892, 12448, 14014, 16016, 17116, 17248, 19061, 20228, 20384, 21784, 28028, 29953, 32032, 34232, 35399, 38122, 40456, 43568, 55627, 56056, 59906, 68464, 70798, 76244, 80912, 87136, 111254, 112112, 119812, 136928, 141596, 152488, 161824, 209671, 222508, 224224, 239624, 247793, 283192, 304976, 389389, 419342, 445016, 479248, 495586, 566384, 609952, 778778, 838684, 890032, 958496, 991172, 1132768, 1557556, 1677368, 1780064, 1982344, 2725723, 3115112, 3354736, 3964688, 5451446, 6230224, 6709472, 7929376, 10902892, 12460448, 21805784, 43611568, 87223136]

約数ペア:

[(1, 87223136), (2, 43611568), (4, 21805784), (7, 12460448), (8, 10902892), (11, 7929376), (13, 6709472), (14, 6230224), (16, 5451446), (22, 3964688), (26, 3354736), (28, 3115112), (32, 2725723), (44, 1982344), (49, 1780064), (52, 1677368), (56, 1557556), (77, 1132768), (88, 991172), (91, 958496), (98, 890032), (104, 838684), (112, 778778), (143, 609952), (154, 566384), (176, 495586), (182, 479248), (196, 445016), (208, 419342), (224, 389389), (286, 304976), (308, 283192), (352, 247793), (364, 239624), (389, 224224), (392, 222508), (416, 209671), (539, 161824), (572, 152488), (616, 141596), (637, 136928), (728, 119812), (778, 112112), (784, 111254), (1001, 87136), (1078, 80912), (1144, 76244), (1232, 70798), (1274, 68464), (1456, 59906), (1556, 56056), (1568, 55627), (2002, 43568), (2156, 40456), (2288, 38122), (2464, 35399), (2548, 34232), (2723, 32032), (2912, 29953), (3112, 28028), (4004, 21784), (4279, 20384), (4312, 20228), (4576, 19061), (5057, 17248), (5096, 17116), (5446, 16016), (6224, 14014), (7007, 12448), (8008, 10892), (8558, 10192), (8624, 10114)]