221345488

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2269}}^1$

素因数の和:2364

約数の個数: 80

約数和(自身を含む): 535937920

約数和(自身を除く): 314592432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 268, 364, 469, 536, 728, 871, 938, 1072, 1456, 1742, 1876, 2269, 3484, 3752, 4538, 6097, 6968, 7504, 9076, 12194, 13936, 15883, 18152, 24388, 29497, 31766, 36304, 48776, 58994, 63532, 97552, 117988, 127064, 152023, 206479, 235976, 254128, 304046, 412958, 471952, 608092, 825916, 1064161, 1216184, 1651832, 1976299, 2128322, 2432368, 3303664, 3952598, 4256644, 7905196, 8513288, 13834093, 15810392, 17026576, 27668186, 31620784, 55336372, 110672744, 221345488]

約数ペア:

[(1, 221345488), (2, 110672744), (4, 55336372), (7, 31620784), (8, 27668186), (13, 17026576), (14, 15810392), (16, 13834093), (26, 8513288), (28, 7905196), (52, 4256644), (56, 3952598), (67, 3303664), (91, 2432368), (104, 2128322), (112, 1976299), (134, 1651832), (182, 1216184), (208, 1064161), (268, 825916), (364, 608092), (469, 471952), (536, 412958), (728, 304046), (871, 254128), (938, 235976), (1072, 206479), (1456, 152023), (1742, 127064), (1876, 117988), (2269, 97552), (3484, 63532), (3752, 58994), (4538, 48776), (6097, 36304), (6968, 31766), (7504, 29497), (9076, 24388), (12194, 18152), (13936, 15883)]