291212012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 688665600

約数和(自身を除く): 397453588

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 41, 52, 76, 79, 82, 91, 133, 158, 164, 169, 182, 247, 266, 287, 316, 338, 364, 494, 532, 533, 553, 574, 676, 779, 988, 1027, 1066, 1106, 1148, 1183, 1501, 1558, 1729, 2054, 2132, 2212, 2366, 3002, 3116, 3211, 3239, 3458, 3731, 4108, 4732, 5453, 6004, 6422, 6478, 6916, 6929, 7189, 7462, 10127, 10507, 10906, 12844, 12956, 13351, 13858, 14378, 14924, 19513, 20254, 21014, 21812, 22477, 22673, 26702, 27716, 28756, 39026, 40508, 42028, 42107, 44954, 45346, 48503, 53404, 61541, 70889, 78052, 84214, 89908, 90692, 93457, 97006, 123082, 131651, 136591, 141778, 168428, 186914, 194012, 246164, 253669, 263302, 273182, 283556, 294749, 373828, 430787, 507338, 526604, 546364, 547391, 589498, 800033, 861574, 921557, 1014676, 1094782, 1178996, 1600066, 1723148, 1775683, 1843114, 2189564, 3200132, 3551366, 3686228, 3831737, 5600231, 7102732, 7663474, 10400429, 11200462, 15326948, 20800858, 22400924, 41601716, 72803003, 145606006, 291212012]

約数ペア:

[(1, 291212012), (2, 145606006), (4, 72803003), (7, 41601716), (13, 22400924), (14, 20800858), (19, 15326948), (26, 11200462), (28, 10400429), (38, 7663474), (41, 7102732), (52, 5600231), (76, 3831737), (79, 3686228), (82, 3551366), (91, 3200132), (133, 2189564), (158, 1843114), (164, 1775683), (169, 1723148), (182, 1600066), (247, 1178996), (266, 1094782), (287, 1014676), (316, 921557), (338, 861574), (364, 800033), (494, 589498), (532, 547391), (533, 546364), (553, 526604), (574, 507338), (676, 430787), (779, 373828), (988, 294749), (1027, 283556), (1066, 273182), (1106, 263302), (1148, 253669), (1183, 246164), (1501, 194012), (1558, 186914), (1729, 168428), (2054, 141778), (2132, 136591), (2212, 131651), (2366, 123082), (3002, 97006), (3116, 93457), (3211, 90692), (3239, 89908), (3458, 84214), (3731, 78052), (4108, 70889), (4732, 61541), (5453, 53404), (6004, 48503), (6422, 45346), (6478, 44954), (6916, 42107), (6929, 42028), (7189, 40508), (7462, 39026), (10127, 28756), (10507, 27716), (10906, 26702), (12844, 22673), (12956, 22477), (13351, 21812), (13858, 21014), (14378, 20254), (14924, 19513)]