291490248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1811

約数の個数: 128

約数和(自身を含む): 893721600

約数和(自身を除く): 602231352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 53, 56, 57, 76, 84, 106, 114, 133, 152, 159, 168, 212, 228, 266, 318, 371, 399, 424, 456, 532, 636, 742, 798, 1007, 1064, 1113, 1272, 1484, 1596, 1723, 2014, 2226, 2968, 3021, 3192, 3446, 4028, 4452, 5169, 6042, 6892, 7049, 8056, 8904, 10338, 12061, 12084, 13784, 14098, 20676, 21147, 24122, 24168, 28196, 32737, 36183, 41352, 42294, 48244, 56392, 65474, 72366, 84588, 91319, 96488, 98211, 130948, 144732, 169176, 182638, 196422, 229159, 261896, 273957, 289464, 365276, 392844, 458318, 547914, 639233, 687477, 730552, 785688, 916636, 1095828, 1278466, 1374954, 1735061, 1833272, 1917699, 2191656, 2556932, 2749908, 3470122, 3835398, 5113864, 5205183, 5499816, 6940244, 7670796, 10410366, 12145427, 13880488, 15341592, 20820732, 24290854, 36436281, 41641464, 48581708, 72872562, 97163416, 145745124, 291490248]

約数ペア:

[(1, 291490248), (2, 145745124), (3, 97163416), (4, 72872562), (6, 48581708), (7, 41641464), (8, 36436281), (12, 24290854), (14, 20820732), (19, 15341592), (21, 13880488), (24, 12145427), (28, 10410366), (38, 7670796), (42, 6940244), (53, 5499816), (56, 5205183), (57, 5113864), (76, 3835398), (84, 3470122), (106, 2749908), (114, 2556932), (133, 2191656), (152, 1917699), (159, 1833272), (168, 1735061), (212, 1374954), (228, 1278466), (266, 1095828), (318, 916636), (371, 785688), (399, 730552), (424, 687477), (456, 639233), (532, 547914), (636, 458318), (742, 392844), (798, 365276), (1007, 289464), (1064, 273957), (1113, 261896), (1272, 229159), (1484, 196422), (1596, 182638), (1723, 169176), (2014, 144732), (2226, 130948), (2968, 98211), (3021, 96488), (3192, 91319), (3446, 84588), (4028, 72366), (4452, 65474), (5169, 56392), (6042, 48244), (6892, 42294), (7049, 41352), (8056, 36183), (8904, 32737), (10338, 28196), (12061, 24168), (12084, 24122), (13784, 21147), (14098, 20676)]