28331888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 35414032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 107, 134, 152, 208, 214, 247, 268, 304, 428, 494, 536, 856, 871, 988, 1072, 1273, 1391, 1712, 1742, 1976, 2033, 2546, 2782, 3484, 3952, 4066, 5092, 5564, 6968, 7169, 8132, 10184, 11128, 13936, 14338, 16264, 16549, 20368, 22256, 26429, 28676, 32528, 33098, 52858, 57352, 66196, 93197, 105716, 114704, 132392, 136211, 186394, 211432, 264784, 272422, 372788, 422864, 544844, 745576, 1089688, 1491152, 1770743, 2179376, 3541486, 7082972, 14165944, 28331888]

約数ペア:

[(1, 28331888), (2, 14165944), (4, 7082972), (8, 3541486), (13, 2179376), (16, 1770743), (19, 1491152), (26, 1089688), (38, 745576), (52, 544844), (67, 422864), (76, 372788), (104, 272422), (107, 264784), (134, 211432), (152, 186394), (208, 136211), (214, 132392), (247, 114704), (268, 105716), (304, 93197), (428, 66196), (494, 57352), (536, 52858), (856, 33098), (871, 32528), (988, 28676), (1072, 26429), (1273, 22256), (1391, 20368), (1712, 16549), (1742, 16264), (1976, 14338), (2033, 13936), (2546, 11128), (2782, 10184), (3484, 8132), (3952, 7169), (4066, 6968), (5092, 5564)]