31918848

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 96149760

約数和(自身を除く): 64230912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 128, 138, 139, 156, 184, 192, 208, 256, 276, 278, 299, 312, 368, 384, 416, 417, 552, 556, 598, 624, 736, 768, 832, 834, 897, 1104, 1112, 1196, 1248, 1472, 1664, 1668, 1794, 1807, 2208, 2224, 2392, 2496, 2944, 3197, 3328, 3336, 3588, 3614, 4416, 4448, 4784, 4992, 5421, 5888, 6394, 6672, 7176, 7228, 8832, 8896, 9568, 9591, 9984, 10842, 12788, 13344, 14352, 14456, 17664, 17792, 19136, 19182, 21684, 25576, 26688, 28704, 28912, 35584, 38272, 38364, 41561, 43368, 51152, 53376, 57408, 57824, 76544, 76728, 83122, 86736, 102304, 106752, 114816, 115648, 124683, 153456, 166244, 173472, 204608, 229632, 231296, 249366, 306912, 332488, 346944, 409216, 462592, 498732, 613824, 664976, 693888, 818432, 997464, 1227648, 1329952, 1387776, 1994928, 2455296, 2659904, 3989856, 5319808, 7979712, 10639616, 15959424, 31918848]

約数ペア:

[(1, 31918848), (2, 15959424), (3, 10639616), (4, 7979712), (6, 5319808), (8, 3989856), (12, 2659904), (13, 2455296), (16, 1994928), (23, 1387776), (24, 1329952), (26, 1227648), (32, 997464), (39, 818432), (46, 693888), (48, 664976), (52, 613824), (64, 498732), (69, 462592), (78, 409216), (92, 346944), (96, 332488), (104, 306912), (128, 249366), (138, 231296), (139, 229632), (156, 204608), (184, 173472), (192, 166244), (208, 153456), (256, 124683), (276, 115648), (278, 114816), (299, 106752), (312, 102304), (368, 86736), (384, 83122), (416, 76728), (417, 76544), (552, 57824), (556, 57408), (598, 53376), (624, 51152), (736, 43368), (768, 41561), (832, 38364), (834, 38272), (897, 35584), (1104, 28912), (1112, 28704), (1196, 26688), (1248, 25576), (1472, 21684), (1664, 19182), (1668, 19136), (1794, 17792), (1807, 17664), (2208, 14456), (2224, 14352), (2392, 13344), (2496, 12788), (2944, 10842), (3197, 9984), (3328, 9591), (3336, 9568), (3588, 8896), (3614, 8832), (4416, 7228), (4448, 7176), (4784, 6672), (4992, 6394), (5421, 5888)]