168236488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 410572800

約数和(自身を除く): 242336312

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 71, 76, 119, 131, 133, 136, 142, 152, 238, 262, 266, 284, 323, 476, 497, 524, 532, 568, 646, 917, 952, 994, 1048, 1064, 1207, 1292, 1349, 1834, 1988, 2227, 2261, 2414, 2489, 2584, 2698, 3668, 3976, 4454, 4522, 4828, 4978, 5396, 7336, 8449, 8908, 9044, 9301, 9443, 9656, 9956, 10792, 15589, 16898, 17423, 17816, 18088, 18602, 18886, 19912, 22933, 31178, 33796, 34846, 37204, 37772, 42313, 45866, 62356, 65107, 67592, 69692, 74408, 75544, 84626, 91732, 124712, 130214, 139384, 158117, 160531, 169252, 176719, 183464, 260428, 296191, 316234, 321062, 338504, 353438, 520856, 592382, 632468, 642124, 706876, 1106819, 1184764, 1237033, 1264936, 1284248, 1413752, 2213638, 2369528, 2474066, 3004223, 4427276, 4948132, 6008446, 8854552, 9896264, 12016892, 21029561, 24033784, 42059122, 84118244, 168236488]

約数ペア:

[(1, 168236488), (2, 84118244), (4, 42059122), (7, 24033784), (8, 21029561), (14, 12016892), (17, 9896264), (19, 8854552), (28, 6008446), (34, 4948132), (38, 4427276), (56, 3004223), (68, 2474066), (71, 2369528), (76, 2213638), (119, 1413752), (131, 1284248), (133, 1264936), (136, 1237033), (142, 1184764), (152, 1106819), (238, 706876), (262, 642124), (266, 632468), (284, 592382), (323, 520856), (476, 353438), (497, 338504), (524, 321062), (532, 316234), (568, 296191), (646, 260428), (917, 183464), (952, 176719), (994, 169252), (1048, 160531), (1064, 158117), (1207, 139384), (1292, 130214), (1349, 124712), (1834, 91732), (1988, 84626), (2227, 75544), (2261, 74408), (2414, 69692), (2489, 67592), (2584, 65107), (2698, 62356), (3668, 45866), (3976, 42313), (4454, 37772), (4522, 37204), (4828, 34846), (4978, 33796), (5396, 31178), (7336, 22933), (8449, 19912), (8908, 18886), (9044, 18602), (9301, 18088), (9443, 17816), (9656, 17423), (9956, 16898), (10792, 15589)]