161760956

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 344736000

約数和(自身を除く): 182975044

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 149, 191, 196, 203, 298, 382, 406, 596, 764, 812, 1043, 1337, 1421, 2086, 2674, 2842, 4172, 4321, 5348, 5539, 5684, 7301, 8642, 9359, 11078, 14602, 17284, 18718, 22156, 28459, 29204, 30247, 37436, 38773, 56918, 60494, 77546, 113836, 120988, 155092, 199213, 211729, 271411, 398426, 423458, 542822, 796852, 825311, 846916, 1085644, 1394491, 1650622, 2788982, 3301244, 5577964, 5777177, 11554354, 23108708, 40440239, 80880478, 161760956]

約数ペア:

[(1, 161760956), (2, 80880478), (4, 40440239), (7, 23108708), (14, 11554354), (28, 5777177), (29, 5577964), (49, 3301244), (58, 2788982), (98, 1650622), (116, 1394491), (149, 1085644), (191, 846916), (196, 825311), (203, 796852), (298, 542822), (382, 423458), (406, 398426), (596, 271411), (764, 211729), (812, 199213), (1043, 155092), (1337, 120988), (1421, 113836), (2086, 77546), (2674, 60494), (2842, 56918), (4172, 38773), (4321, 37436), (5348, 30247), (5539, 29204), (5684, 28459), (7301, 22156), (8642, 18718), (9359, 17284), (11078, 14602)]