61987328

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 136345440

約数和(自身を除く): 74358112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 139, 208, 256, 268, 278, 416, 512, 536, 556, 832, 871, 1072, 1112, 1664, 1742, 1807, 2144, 2224, 3328, 3484, 3614, 4288, 4448, 6656, 6968, 7228, 8576, 8896, 9313, 13936, 14456, 17152, 17792, 18626, 27872, 28912, 34304, 35584, 37252, 55744, 57824, 71168, 74504, 111488, 115648, 121069, 149008, 222976, 231296, 242138, 298016, 445952, 462592, 484276, 596032, 925184, 968552, 1192064, 1937104, 2384128, 3874208, 4768256, 7748416, 15496832, 30993664, 61987328]

約数ペア:

[(1, 61987328), (2, 30993664), (4, 15496832), (8, 7748416), (13, 4768256), (16, 3874208), (26, 2384128), (32, 1937104), (52, 1192064), (64, 968552), (67, 925184), (104, 596032), (128, 484276), (134, 462592), (139, 445952), (208, 298016), (256, 242138), (268, 231296), (278, 222976), (416, 149008), (512, 121069), (536, 115648), (556, 111488), (832, 74504), (871, 71168), (1072, 57824), (1112, 55744), (1664, 37252), (1742, 35584), (1807, 34304), (2144, 28912), (2224, 27872), (3328, 18626), (3484, 17792), (3614, 17152), (4288, 14456), (4448, 13936), (6656, 9313), (6968, 8896), (7228, 8576)]