65987075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 106868160

約数和(自身を除く): 40881085

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 59, 77, 83, 175, 245, 275, 295, 385, 413, 415, 539, 581, 649, 913, 1225, 1475, 1925, 2065, 2075, 2695, 2891, 2905, 3245, 4067, 4543, 4565, 4897, 6391, 10325, 13475, 14455, 14525, 16225, 20335, 22715, 22825, 24485, 31801, 31955, 34279, 44737, 53867, 72275, 101675, 113575, 122425, 159005, 159775, 171395, 223685, 239953, 269335, 377069, 795025, 856975, 1118425, 1199765, 1346675, 1885345, 2639483, 5998825, 9426725, 13197415, 65987075]

約数ペア:

[(1, 65987075), (5, 13197415), (7, 9426725), (11, 5998825), (25, 2639483), (35, 1885345), (49, 1346675), (55, 1199765), (59, 1118425), (77, 856975), (83, 795025), (175, 377069), (245, 269335), (275, 239953), (295, 223685), (385, 171395), (413, 159775), (415, 159005), (539, 122425), (581, 113575), (649, 101675), (913, 72275), (1225, 53867), (1475, 44737), (1925, 34279), (2065, 31955), (2075, 31801), (2695, 24485), (2891, 22825), (2905, 22715), (3245, 20335), (4067, 16225), (4543, 14525), (4565, 14455), (4897, 13475), (6391, 10325)]