72408752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{709}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 151604880

約数和(自身を除く): 79196128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 709, 982, 1418, 1964, 2836, 3928, 5672, 6383, 7856, 9217, 11344, 12766, 18434, 25532, 36868, 51064, 73736, 102128, 147472, 348119, 696238, 1392476, 2784952, 4525547, 5569904, 9051094, 18102188, 36204376, 72408752]

約数ペア:

[(1, 72408752), (2, 36204376), (4, 18102188), (8, 9051094), (13, 5569904), (16, 4525547), (26, 2784952), (52, 1392476), (104, 696238), (208, 348119), (491, 147472), (709, 102128), (982, 73736), (1418, 51064), (1964, 36868), (2836, 25532), (3928, 18434), (5672, 12766), (6383, 11344), (7856, 9217)]