172918278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 449336160

約数和(自身を除く): 276417882

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 38, 39, 46, 57, 69, 78, 89, 114, 117, 138, 171, 178, 207, 234, 247, 267, 299, 342, 361, 414, 437, 494, 534, 598, 722, 741, 801, 874, 897, 1083, 1157, 1311, 1482, 1602, 1691, 1794, 2047, 2166, 2223, 2314, 2622, 2691, 3249, 3382, 3471, 3933, 4094, 4446, 4693, 5073, 5382, 5681, 6141, 6498, 6942, 7866, 8303, 9386, 10146, 10413, 11362, 12282, 14079, 15219, 16606, 17043, 18423, 20826, 21983, 24909, 26611, 28158, 30438, 32129, 34086, 36846, 38893, 42237, 43966, 49818, 51129, 53222, 64258, 65949, 74727, 77786, 79833, 84474, 96387, 102258, 107939, 116679, 131898, 149454, 159666, 192774, 197847, 215878, 233358, 239499, 289161, 323817, 350037, 395694, 417677, 478998, 505609, 578322, 647634, 700074, 738967, 835354, 971451, 1011218, 1253031, 1477934, 1516827, 1942902, 2216901, 2506062, 3033654, 3759093, 4433802, 4550481, 6650703, 7518186, 9100962, 9606571, 13301406, 19213142, 28819713, 57639426, 86459139, 172918278]

約数ペア:

[(1, 172918278), (2, 86459139), (3, 57639426), (6, 28819713), (9, 19213142), (13, 13301406), (18, 9606571), (19, 9100962), (23, 7518186), (26, 6650703), (38, 4550481), (39, 4433802), (46, 3759093), (57, 3033654), (69, 2506062), (78, 2216901), (89, 1942902), (114, 1516827), (117, 1477934), (138, 1253031), (171, 1011218), (178, 971451), (207, 835354), (234, 738967), (247, 700074), (267, 647634), (299, 578322), (342, 505609), (361, 478998), (414, 417677), (437, 395694), (494, 350037), (534, 323817), (598, 289161), (722, 239499), (741, 233358), (801, 215878), (874, 197847), (897, 192774), (1083, 159666), (1157, 149454), (1311, 131898), (1482, 116679), (1602, 107939), (1691, 102258), (1794, 96387), (2047, 84474), (2166, 79833), (2223, 77786), (2314, 74727), (2622, 65949), (2691, 64258), (3249, 53222), (3382, 51129), (3471, 49818), (3933, 43966), (4094, 42237), (4446, 38893), (4693, 36846), (5073, 34086), (5382, 32129), (5681, 30438), (6141, 28158), (6498, 26611), (6942, 24909), (7866, 21983), (8303, 20826), (9386, 18423), (10146, 17043), (10413, 16606), (11362, 15219), (12282, 14079)]