7748416

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 56

約数和(自身を含む): 16926560

約数和(自身を除く): 9178144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 139, 208, 268, 278, 416, 536, 556, 832, 871, 1072, 1112, 1742, 1807, 2144, 2224, 3484, 3614, 4288, 4448, 6968, 7228, 8896, 9313, 13936, 14456, 18626, 27872, 28912, 37252, 55744, 57824, 74504, 115648, 121069, 149008, 242138, 298016, 484276, 596032, 968552, 1937104, 3874208, 7748416]

約数ペア:

[(1, 7748416), (2, 3874208), (4, 1937104), (8, 968552), (13, 596032), (16, 484276), (26, 298016), (32, 242138), (52, 149008), (64, 121069), (67, 115648), (104, 74504), (134, 57824), (139, 55744), (208, 37252), (268, 28912), (278, 27872), (416, 18626), (536, 14456), (556, 13936), (832, 9313), (871, 8896), (1072, 7228), (1112, 6968), (1742, 4448), (1807, 4288), (2144, 3614), (2224, 3484)]