66878328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 195840000

約数和(自身を除く): 128961672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 67, 76, 88, 114, 132, 134, 152, 199, 201, 209, 228, 264, 268, 398, 402, 418, 456, 536, 597, 627, 737, 796, 804, 836, 1194, 1254, 1273, 1474, 1592, 1608, 1672, 2189, 2211, 2388, 2508, 2546, 2948, 3781, 3819, 4378, 4422, 4776, 5016, 5092, 5896, 6567, 7562, 7638, 8756, 8844, 10184, 11343, 13134, 13333, 14003, 15124, 15276, 17512, 17688, 22686, 26268, 26666, 28006, 30248, 30552, 39999, 41591, 42009, 45372, 52536, 53332, 56012, 79998, 83182, 84018, 90744, 106664, 112024, 124773, 146663, 159996, 166364, 168036, 249546, 253327, 293326, 319992, 332728, 336072, 439989, 499092, 506654, 586652, 759981, 879978, 998184, 1013308, 1173304, 1519962, 1759956, 2026616, 2786597, 3039924, 3519912, 5573194, 6079848, 8359791, 11146388, 16719582, 22292776, 33439164, 66878328]

約数ペア:

[(1, 66878328), (2, 33439164), (3, 22292776), (4, 16719582), (6, 11146388), (8, 8359791), (11, 6079848), (12, 5573194), (19, 3519912), (22, 3039924), (24, 2786597), (33, 2026616), (38, 1759956), (44, 1519962), (57, 1173304), (66, 1013308), (67, 998184), (76, 879978), (88, 759981), (114, 586652), (132, 506654), (134, 499092), (152, 439989), (199, 336072), (201, 332728), (209, 319992), (228, 293326), (264, 253327), (268, 249546), (398, 168036), (402, 166364), (418, 159996), (456, 146663), (536, 124773), (597, 112024), (627, 106664), (737, 90744), (796, 84018), (804, 83182), (836, 79998), (1194, 56012), (1254, 53332), (1273, 52536), (1474, 45372), (1592, 42009), (1608, 41591), (1672, 39999), (2189, 30552), (2211, 30248), (2388, 28006), (2508, 26666), (2546, 26268), (2948, 22686), (3781, 17688), (3819, 17512), (4378, 15276), (4422, 15124), (4776, 14003), (5016, 13333), (5092, 13134), (5896, 11343), (6567, 10184), (7562, 8844), (7638, 8756)]