28272608

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 74405520

約数和(自身を除く): 46132912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 73, 76, 91, 98, 104, 112, 133, 146, 152, 182, 196, 208, 224, 247, 266, 292, 304, 364, 392, 416, 494, 511, 532, 584, 608, 637, 728, 784, 931, 949, 988, 1022, 1064, 1168, 1274, 1387, 1456, 1568, 1729, 1862, 1898, 1976, 2044, 2128, 2336, 2548, 2774, 2912, 3458, 3577, 3724, 3796, 3952, 4088, 4256, 5096, 5548, 6643, 6916, 7154, 7448, 7592, 7904, 8176, 9709, 10192, 11096, 12103, 13286, 13832, 14308, 14896, 15184, 16352, 18031, 19418, 20384, 22192, 24206, 26572, 27664, 28616, 29792, 30368, 36062, 38836, 44384, 46501, 48412, 53144, 55328, 57232, 67963, 72124, 77672, 93002, 96824, 106288, 114464, 126217, 135926, 144248, 155344, 186004, 193648, 212576, 252434, 271852, 288496, 310688, 372008, 387296, 504868, 543704, 576992, 744016, 883519, 1009736, 1087408, 1488032, 1767038, 2019472, 2174816, 3534076, 4038944, 7068152, 14136304, 28272608]

約数ペア:

[(1, 28272608), (2, 14136304), (4, 7068152), (7, 4038944), (8, 3534076), (13, 2174816), (14, 2019472), (16, 1767038), (19, 1488032), (26, 1087408), (28, 1009736), (32, 883519), (38, 744016), (49, 576992), (52, 543704), (56, 504868), (73, 387296), (76, 372008), (91, 310688), (98, 288496), (104, 271852), (112, 252434), (133, 212576), (146, 193648), (152, 186004), (182, 155344), (196, 144248), (208, 135926), (224, 126217), (247, 114464), (266, 106288), (292, 96824), (304, 93002), (364, 77672), (392, 72124), (416, 67963), (494, 57232), (511, 55328), (532, 53144), (584, 48412), (608, 46501), (637, 44384), (728, 38836), (784, 36062), (931, 30368), (949, 29792), (988, 28616), (1022, 27664), (1064, 26572), (1168, 24206), (1274, 22192), (1387, 20384), (1456, 19418), (1568, 18031), (1729, 16352), (1862, 15184), (1898, 14896), (1976, 14308), (2044, 13832), (2128, 13286), (2336, 12103), (2548, 11096), (2774, 10192), (2912, 9709), (3458, 8176), (3577, 7904), (3724, 7592), (3796, 7448), (3952, 7154), (4088, 6916), (4256, 6643), (5096, 5548)]