81741996

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 108

約数和(自身を含む): 242751600

約数和(自身を除く): 161009604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 149, 196, 252, 294, 298, 311, 441, 447, 588, 596, 622, 882, 894, 933, 1043, 1244, 1341, 1764, 1788, 1866, 2086, 2177, 2682, 2799, 3129, 3732, 4172, 4354, 5364, 5598, 6258, 6531, 7301, 8708, 9387, 11196, 12516, 13062, 14602, 15239, 18774, 19593, 21903, 26124, 29204, 30478, 37548, 39186, 43806, 45717, 46339, 60956, 65709, 78372, 87612, 91434, 92678, 131418, 137151, 139017, 182868, 185356, 262836, 274302, 278034, 324373, 417051, 548604, 556068, 648746, 834102, 973119, 1297492, 1668204, 1946238, 2270611, 2919357, 3892476, 4541222, 5838714, 6811833, 9082444, 11677428, 13623666, 20435499, 27247332, 40870998, 81741996]

約数ペア:

[(1, 81741996), (2, 40870998), (3, 27247332), (4, 20435499), (6, 13623666), (7, 11677428), (9, 9082444), (12, 6811833), (14, 5838714), (18, 4541222), (21, 3892476), (28, 2919357), (36, 2270611), (42, 1946238), (49, 1668204), (63, 1297492), (84, 973119), (98, 834102), (126, 648746), (147, 556068), (149, 548604), (196, 417051), (252, 324373), (294, 278034), (298, 274302), (311, 262836), (441, 185356), (447, 182868), (588, 139017), (596, 137151), (622, 131418), (882, 92678), (894, 91434), (933, 87612), (1043, 78372), (1244, 65709), (1341, 60956), (1764, 46339), (1788, 45717), (1866, 43806), (2086, 39186), (2177, 37548), (2682, 30478), (2799, 29204), (3129, 26124), (3732, 21903), (4172, 19593), (4354, 18774), (5364, 15239), (5598, 14602), (6258, 13062), (6531, 12516), (7301, 11196), (8708, 9387)]