321967984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 731953152

約数和(自身を除く): 409985168

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 92, 104, 124, 167, 169, 184, 208, 248, 299, 334, 338, 368, 403, 496, 598, 668, 676, 713, 806, 1196, 1336, 1352, 1426, 1612, 2171, 2392, 2672, 2704, 2852, 3224, 3841, 3887, 4342, 4784, 5177, 5239, 5704, 6448, 7682, 7774, 8684, 9269, 10354, 10478, 11408, 15364, 15548, 17368, 18538, 20708, 20956, 28223, 30728, 31096, 34736, 37076, 41416, 41912, 49933, 56446, 61456, 62192, 67301, 74152, 82832, 83824, 99866, 112892, 119071, 120497, 134602, 148304, 199732, 225784, 238142, 240994, 269204, 399464, 451568, 476284, 481988, 538408, 649129, 798928, 874913, 952568, 963976, 1076816, 1298258, 1547923, 1749826, 1905136, 1927952, 2596516, 3095846, 3499652, 5193032, 6191692, 6999304, 10386064, 12383384, 13998608, 20122999, 24766768, 40245998, 80491996, 160983992, 321967984]

約数ペア:

[(1, 321967984), (2, 160983992), (4, 80491996), (8, 40245998), (13, 24766768), (16, 20122999), (23, 13998608), (26, 12383384), (31, 10386064), (46, 6999304), (52, 6191692), (62, 5193032), (92, 3499652), (104, 3095846), (124, 2596516), (167, 1927952), (169, 1905136), (184, 1749826), (208, 1547923), (248, 1298258), (299, 1076816), (334, 963976), (338, 952568), (368, 874913), (403, 798928), (496, 649129), (598, 538408), (668, 481988), (676, 476284), (713, 451568), (806, 399464), (1196, 269204), (1336, 240994), (1352, 238142), (1426, 225784), (1612, 199732), (2171, 148304), (2392, 134602), (2672, 120497), (2704, 119071), (2852, 112892), (3224, 99866), (3841, 83824), (3887, 82832), (4342, 74152), (4784, 67301), (5177, 62192), (5239, 61456), (5704, 56446), (6448, 49933), (7682, 41912), (7774, 41416), (8684, 37076), (9269, 34736), (10354, 31096), (10478, 30728), (11408, 28223), (15364, 20956), (15548, 20708), (17368, 18538)]