31580748

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 85333248

約数和(自身を除く): 53752500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 887, 989, 1548, 1774, 1978, 2661, 2967, 3548, 3956, 5322, 5934, 7983, 8901, 10644, 11868, 15966, 17802, 20401, 31932, 35604, 38141, 40802, 61203, 76282, 81604, 114423, 122406, 152564, 183609, 228846, 244812, 343269, 367218, 457692, 686538, 734436, 877243, 1373076, 1754486, 2631729, 3508972, 5263458, 7895187, 10526916, 15790374, 31580748]

約数ペア:

[(1, 31580748), (2, 15790374), (3, 10526916), (4, 7895187), (6, 5263458), (9, 3508972), (12, 2631729), (18, 1754486), (23, 1373076), (36, 877243), (43, 734436), (46, 686538), (69, 457692), (86, 367218), (92, 343269), (129, 244812), (138, 228846), (172, 183609), (207, 152564), (258, 122406), (276, 114423), (387, 81604), (414, 76282), (516, 61203), (774, 40802), (828, 38141), (887, 35604), (989, 31932), (1548, 20401), (1774, 17802), (1978, 15966), (2661, 11868), (2967, 10644), (3548, 8901), (3956, 7983), (5322, 5934)]