311315688

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{60899}}^1$

素因数の和:60982

約数の個数: 48

約数和(自身を含む): 855036000

約数和(自身を除く): 543720312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 60899, 121798, 182697, 243596, 365394, 487192, 548091, 730788, 1096182, 1461576, 2192364, 4323829, 4384728, 8647658, 12971487, 17295316, 25942974, 34590632, 38914461, 51885948, 77828922, 103771896, 155657844, 311315688]

約数ペア:

[(1, 311315688), (2, 155657844), (3, 103771896), (4, 77828922), (6, 51885948), (8, 38914461), (9, 34590632), (12, 25942974), (18, 17295316), (24, 12971487), (36, 8647658), (71, 4384728), (72, 4323829), (142, 2192364), (213, 1461576), (284, 1096182), (426, 730788), (568, 548091), (639, 487192), (852, 365394), (1278, 243596), (1704, 182697), (2556, 121798), (5112, 60899)]