258128262

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 697958400

約数和(自身を除く): 439830138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 127, 133, 171, 189, 254, 266, 283, 342, 378, 381, 399, 513, 566, 762, 798, 849, 889, 1026, 1143, 1197, 1698, 1778, 1981, 2286, 2394, 2413, 2547, 2667, 3429, 3591, 3962, 4826, 5094, 5334, 5377, 5943, 6858, 7182, 7239, 7641, 8001, 10754, 11886, 14478, 15282, 16002, 16131, 16891, 17829, 21717, 24003, 32262, 33782, 35658, 35941, 37639, 43434, 48006, 48393, 50673, 53487, 65151, 71882, 75278, 96786, 101346, 106974, 107823, 112917, 130302, 145179, 152019, 215646, 225834, 251587, 290358, 304038, 323469, 338751, 456057, 503174, 646938, 677502, 682879, 754761, 912114, 970407, 1016253, 1365758, 1509522, 1940814, 2032506, 2048637, 2264283, 4097274, 4528566, 4780153, 6145911, 6792849, 9560306, 12291822, 13585698, 14340459, 18437733, 28680918, 36875466, 43021377, 86042754, 129064131, 258128262]

約数ペア:

[(1, 258128262), (2, 129064131), (3, 86042754), (6, 43021377), (7, 36875466), (9, 28680918), (14, 18437733), (18, 14340459), (19, 13585698), (21, 12291822), (27, 9560306), (38, 6792849), (42, 6145911), (54, 4780153), (57, 4528566), (63, 4097274), (114, 2264283), (126, 2048637), (127, 2032506), (133, 1940814), (171, 1509522), (189, 1365758), (254, 1016253), (266, 970407), (283, 912114), (342, 754761), (378, 682879), (381, 677502), (399, 646938), (513, 503174), (566, 456057), (762, 338751), (798, 323469), (849, 304038), (889, 290358), (1026, 251587), (1143, 225834), (1197, 215646), (1698, 152019), (1778, 145179), (1981, 130302), (2286, 112917), (2394, 107823), (2413, 106974), (2547, 101346), (2667, 96786), (3429, 75278), (3591, 71882), (3962, 65151), (4826, 53487), (5094, 50673), (5334, 48393), (5377, 48006), (5943, 43434), (6858, 37639), (7182, 35941), (7239, 35658), (7641, 33782), (8001, 32262), (10754, 24003), (11886, 21717), (14478, 17829), (15282, 16891), (16002, 16131)]