612433458

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1789

約数の個数: 144

約数和(自身を含む): 1716938496

約数和(自身を除く): 1104505038

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 49, 62, 63, 78, 91, 93, 98, 117, 126, 147, 182, 186, 217, 234, 273, 279, 294, 403, 434, 441, 546, 558, 637, 651, 806, 819, 882, 1209, 1274, 1302, 1519, 1638, 1723, 1911, 1953, 2418, 2821, 3038, 3446, 3627, 3822, 3906, 4557, 5169, 5642, 5733, 7254, 8463, 9114, 10338, 11466, 12061, 13671, 15507, 16926, 19747, 22399, 24122, 25389, 27342, 31014, 36183, 39494, 44798, 50778, 53413, 59241, 67197, 72366, 84427, 106826, 108549, 118482, 134394, 156793, 160239, 168854, 177723, 201591, 217098, 253281, 313586, 320478, 355446, 373891, 403182, 470379, 480717, 506562, 694369, 747782, 759843, 940758, 961434, 1097551, 1121673, 1388738, 1411137, 1519686, 2083107, 2195102, 2243346, 2617237, 2822274, 3292653, 3365019, 4166214, 4860583, 5234474, 6249321, 6585306, 6730038, 7851711, 9721166, 9877959, 12498642, 14581749, 15703422, 19755918, 23555133, 29163498, 34024081, 43745247, 47110266, 68048162, 87490494, 102072243, 204144486, 306216729, 612433458]

約数ペア:

[(1, 612433458), (2, 306216729), (3, 204144486), (6, 102072243), (7, 87490494), (9, 68048162), (13, 47110266), (14, 43745247), (18, 34024081), (21, 29163498), (26, 23555133), (31, 19755918), (39, 15703422), (42, 14581749), (49, 12498642), (62, 9877959), (63, 9721166), (78, 7851711), (91, 6730038), (93, 6585306), (98, 6249321), (117, 5234474), (126, 4860583), (147, 4166214), (182, 3365019), (186, 3292653), (217, 2822274), (234, 2617237), (273, 2243346), (279, 2195102), (294, 2083107), (403, 1519686), (434, 1411137), (441, 1388738), (546, 1121673), (558, 1097551), (637, 961434), (651, 940758), (806, 759843), (819, 747782), (882, 694369), (1209, 506562), (1274, 480717), (1302, 470379), (1519, 403182), (1638, 373891), (1723, 355446), (1911, 320478), (1953, 313586), (2418, 253281), (2821, 217098), (3038, 201591), (3446, 177723), (3627, 168854), (3822, 160239), (3906, 156793), (4557, 134394), (5169, 118482), (5642, 108549), (5733, 106826), (7254, 84427), (8463, 72366), (9114, 67197), (10338, 59241), (11466, 53413), (12061, 50778), (13671, 44798), (15507, 39494), (16926, 36183), (19747, 31014), (22399, 27342), (24122, 25389)]