257883276

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 756120960

約数和(自身を除く): 498237684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 49, 57, 76, 82, 84, 98, 114, 123, 133, 147, 164, 196, 228, 246, 266, 287, 294, 399, 492, 532, 563, 574, 588, 779, 798, 861, 931, 1126, 1148, 1558, 1596, 1689, 1722, 1862, 2009, 2252, 2337, 2793, 3116, 3378, 3444, 3724, 3941, 4018, 4674, 5453, 5586, 6027, 6756, 7882, 8036, 9348, 10697, 10906, 11172, 11823, 12054, 15764, 16359, 21394, 21812, 23083, 23646, 24108, 27587, 32091, 32718, 38171, 42788, 46166, 47292, 55174, 64182, 65436, 69249, 74879, 76342, 82761, 92332, 110348, 114513, 128364, 138498, 149758, 152684, 161581, 165522, 224637, 229026, 276996, 299516, 323162, 331044, 438577, 449274, 458052, 484743, 524153, 646324, 877154, 898548, 969486, 1048306, 1131067, 1315731, 1572459, 1754308, 1938972, 2096612, 2262134, 2631462, 3070039, 3144918, 3393201, 4524268, 5262924, 6140078, 6289836, 6786402, 9210117, 12280156, 13572804, 18420234, 21490273, 36840468, 42980546, 64470819, 85961092, 128941638, 257883276]

約数ペア:

[(1, 257883276), (2, 128941638), (3, 85961092), (4, 64470819), (6, 42980546), (7, 36840468), (12, 21490273), (14, 18420234), (19, 13572804), (21, 12280156), (28, 9210117), (38, 6786402), (41, 6289836), (42, 6140078), (49, 5262924), (57, 4524268), (76, 3393201), (82, 3144918), (84, 3070039), (98, 2631462), (114, 2262134), (123, 2096612), (133, 1938972), (147, 1754308), (164, 1572459), (196, 1315731), (228, 1131067), (246, 1048306), (266, 969486), (287, 898548), (294, 877154), (399, 646324), (492, 524153), (532, 484743), (563, 458052), (574, 449274), (588, 438577), (779, 331044), (798, 323162), (861, 299516), (931, 276996), (1126, 229026), (1148, 224637), (1558, 165522), (1596, 161581), (1689, 152684), (1722, 149758), (1862, 138498), (2009, 128364), (2252, 114513), (2337, 110348), (2793, 92332), (3116, 82761), (3378, 76342), (3444, 74879), (3724, 69249), (3941, 65436), (4018, 64182), (4674, 55174), (5453, 47292), (5586, 46166), (6027, 42788), (6756, 38171), (7882, 32718), (8036, 32091), (9348, 27587), (10697, 24108), (10906, 23646), (11172, 23083), (11823, 21812), (12054, 21394), (15764, 16359)]