261598212

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 723340800

約数和(自身を除く): 461742588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 59, 62, 87, 93, 116, 118, 124, 137, 174, 177, 186, 236, 261, 274, 279, 348, 354, 372, 411, 522, 531, 548, 558, 708, 822, 899, 1044, 1062, 1116, 1233, 1644, 1711, 1798, 1829, 2124, 2466, 2697, 3422, 3596, 3658, 3973, 4247, 4932, 5133, 5394, 5487, 6844, 7316, 7946, 8083, 8091, 8494, 10266, 10788, 10974, 11919, 12741, 15399, 15892, 16166, 16182, 16461, 16988, 20532, 21948, 23838, 24249, 25482, 30798, 32332, 32364, 32922, 35757, 38223, 47676, 48498, 50964, 53041, 61596, 65844, 71514, 72747, 76446, 96996, 106082, 123163, 143028, 145494, 152892, 159123, 212164, 234407, 246326, 250573, 290988, 318246, 369489, 468814, 477369, 492652, 501146, 636492, 703221, 738978, 751719, 937628, 954738, 1002292, 1108467, 1406442, 1477956, 1503438, 1909476, 2109663, 2216934, 2255157, 2812884, 3006876, 4219326, 4433868, 4510314, 7266617, 8438652, 9020628, 14533234, 21799851, 29066468, 43599702, 65399553, 87199404, 130799106, 261598212]

約数ペア:

[(1, 261598212), (2, 130799106), (3, 87199404), (4, 65399553), (6, 43599702), (9, 29066468), (12, 21799851), (18, 14533234), (29, 9020628), (31, 8438652), (36, 7266617), (58, 4510314), (59, 4433868), (62, 4219326), (87, 3006876), (93, 2812884), (116, 2255157), (118, 2216934), (124, 2109663), (137, 1909476), (174, 1503438), (177, 1477956), (186, 1406442), (236, 1108467), (261, 1002292), (274, 954738), (279, 937628), (348, 751719), (354, 738978), (372, 703221), (411, 636492), (522, 501146), (531, 492652), (548, 477369), (558, 468814), (708, 369489), (822, 318246), (899, 290988), (1044, 250573), (1062, 246326), (1116, 234407), (1233, 212164), (1644, 159123), (1711, 152892), (1798, 145494), (1829, 143028), (2124, 123163), (2466, 106082), (2697, 96996), (3422, 76446), (3596, 72747), (3658, 71514), (3973, 65844), (4247, 61596), (4932, 53041), (5133, 50964), (5394, 48498), (5487, 47676), (6844, 38223), (7316, 35757), (7946, 32922), (8083, 32364), (8091, 32332), (8494, 30798), (10266, 25482), (10788, 24249), (10974, 23838), (11919, 21948), (12741, 20532), (15399, 16988), (15892, 16461), (16166, 16182)]