405926144

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 877709952

約数和(自身を除く): 471783808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 283, 416, 431, 566, 832, 862, 1132, 1664, 1724, 2264, 3328, 3448, 3679, 4528, 5603, 6896, 7358, 9056, 11206, 13792, 14716, 18112, 22412, 27584, 29432, 36224, 44824, 55168, 58864, 72448, 89648, 110336, 117728, 121973, 179296, 235456, 243946, 358592, 470912, 487892, 717184, 941824, 975784, 1434368, 1585649, 1951568, 3171298, 3903136, 6342596, 7806272, 12685192, 15612544, 25370384, 31225088, 50740768, 101481536, 202963072, 405926144]

約数ペア:

[(1, 405926144), (2, 202963072), (4, 101481536), (8, 50740768), (13, 31225088), (16, 25370384), (26, 15612544), (32, 12685192), (52, 7806272), (64, 6342596), (104, 3903136), (128, 3171298), (208, 1951568), (256, 1585649), (283, 1434368), (416, 975784), (431, 941824), (566, 717184), (832, 487892), (862, 470912), (1132, 358592), (1664, 243946), (1724, 235456), (2264, 179296), (3328, 121973), (3448, 117728), (3679, 110336), (4528, 89648), (5603, 72448), (6896, 58864), (7358, 55168), (9056, 44824), (11206, 36224), (13792, 29432), (14716, 27584), (18112, 22412)]