321781488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30893}}^1$

素因数の和:30942

約数の個数: 80

約数和(自身を含む): 980699136

約数和(自身を除く): 658917648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 30893, 61786, 92679, 123572, 185358, 216251, 247144, 370716, 432502, 494288, 648753, 741432, 865004, 957683, 1297506, 1482864, 1730008, 1915366, 2595012, 2873049, 3460016, 3830732, 5190024, 5746098, 6703781, 7661464, 10380048, 11492196, 13407562, 15322928, 20111343, 22984392, 26815124, 40222686, 45968784, 53630248, 80445372, 107260496, 160890744, 321781488]

約数ペア:

[(1, 321781488), (2, 160890744), (3, 107260496), (4, 80445372), (6, 53630248), (7, 45968784), (8, 40222686), (12, 26815124), (14, 22984392), (16, 20111343), (21, 15322928), (24, 13407562), (28, 11492196), (31, 10380048), (42, 7661464), (48, 6703781), (56, 5746098), (62, 5190024), (84, 3830732), (93, 3460016), (112, 2873049), (124, 2595012), (168, 1915366), (186, 1730008), (217, 1482864), (248, 1297506), (336, 957683), (372, 865004), (434, 741432), (496, 648753), (651, 494288), (744, 432502), (868, 370716), (1302, 247144), (1488, 216251), (1736, 185358), (2604, 123572), (3472, 92679), (5208, 61786), (10416, 30893)]