221653488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1993}}^1$

素因数の和:2342

約数の個数: 80

約数和(自身を含む): 656711936

約数和(自身を除く): 435058448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 331, 336, 662, 993, 1324, 1986, 1993, 2317, 2648, 3972, 3986, 4634, 5296, 5979, 6951, 7944, 7972, 9268, 11958, 13902, 13951, 15888, 15944, 18536, 23916, 27804, 27902, 31888, 37072, 41853, 47832, 55608, 55804, 83706, 95664, 111216, 111608, 167412, 223216, 334824, 659683, 669648, 1319366, 1979049, 2638732, 3958098, 4617781, 5277464, 7916196, 9235562, 10554928, 13853343, 15832392, 18471124, 27706686, 31664784, 36942248, 55413372, 73884496, 110826744, 221653488]

約数ペア:

[(1, 221653488), (2, 110826744), (3, 73884496), (4, 55413372), (6, 36942248), (7, 31664784), (8, 27706686), (12, 18471124), (14, 15832392), (16, 13853343), (21, 10554928), (24, 9235562), (28, 7916196), (42, 5277464), (48, 4617781), (56, 3958098), (84, 2638732), (112, 1979049), (168, 1319366), (331, 669648), (336, 659683), (662, 334824), (993, 223216), (1324, 167412), (1986, 111608), (1993, 111216), (2317, 95664), (2648, 83706), (3972, 55804), (3986, 55608), (4634, 47832), (5296, 41853), (5979, 37072), (6951, 31888), (7944, 27902), (7972, 27804), (9268, 23916), (11958, 18536), (13902, 15944), (13951, 15888)]