28100664

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 80870400

約数和(自身を除く): 52769736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 71, 72, 92, 138, 142, 184, 207, 213, 239, 276, 284, 414, 426, 478, 552, 568, 639, 717, 828, 852, 956, 1278, 1434, 1633, 1656, 1704, 1912, 2151, 2556, 2868, 3266, 4302, 4899, 5112, 5497, 5736, 6532, 8604, 9798, 10994, 13064, 14697, 16491, 16969, 17208, 19596, 21988, 29394, 32982, 33938, 39192, 43976, 49473, 50907, 58788, 65964, 67876, 98946, 101814, 117576, 131928, 135752, 152721, 197892, 203628, 305442, 390287, 395784, 407256, 610884, 780574, 1170861, 1221768, 1561148, 2341722, 3122296, 3512583, 4683444, 7025166, 9366888, 14050332, 28100664]

約数ペア:

[(1, 28100664), (2, 14050332), (3, 9366888), (4, 7025166), (6, 4683444), (8, 3512583), (9, 3122296), (12, 2341722), (18, 1561148), (23, 1221768), (24, 1170861), (36, 780574), (46, 610884), (69, 407256), (71, 395784), (72, 390287), (92, 305442), (138, 203628), (142, 197892), (184, 152721), (207, 135752), (213, 131928), (239, 117576), (276, 101814), (284, 98946), (414, 67876), (426, 65964), (478, 58788), (552, 50907), (568, 49473), (639, 43976), (717, 39192), (828, 33938), (852, 32982), (956, 29394), (1278, 21988), (1434, 19596), (1633, 17208), (1656, 16969), (1704, 16491), (1912, 14697), (2151, 13064), (2556, 10994), (2868, 9798), (3266, 8604), (4302, 6532), (4899, 5736), (5112, 5497)]