257850444

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 651974400

約数和(自身を除く): 394123956

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 97, 114, 131, 178, 194, 228, 262, 267, 291, 356, 388, 393, 524, 534, 582, 786, 1068, 1164, 1572, 1691, 1843, 2489, 3382, 3686, 4978, 5073, 5529, 6764, 7372, 7467, 8633, 9956, 10146, 11058, 11659, 12707, 14934, 17266, 20292, 22116, 23318, 25414, 25899, 29868, 34532, 34977, 38121, 46636, 50828, 51798, 69954, 76242, 103596, 139908, 152484, 164027, 221521, 241433, 328054, 443042, 482866, 492081, 656108, 664563, 724299, 886084, 965732, 984162, 1130923, 1329126, 1448598, 1968324, 2261846, 2658252, 2897196, 3392769, 4523692, 6785538, 13571076, 21487537, 42975074, 64462611, 85950148, 128925222, 257850444]

約数ペア:

[(1, 257850444), (2, 128925222), (3, 85950148), (4, 64462611), (6, 42975074), (12, 21487537), (19, 13571076), (38, 6785538), (57, 4523692), (76, 3392769), (89, 2897196), (97, 2658252), (114, 2261846), (131, 1968324), (178, 1448598), (194, 1329126), (228, 1130923), (262, 984162), (267, 965732), (291, 886084), (356, 724299), (388, 664563), (393, 656108), (524, 492081), (534, 482866), (582, 443042), (786, 328054), (1068, 241433), (1164, 221521), (1572, 164027), (1691, 152484), (1843, 139908), (2489, 103596), (3382, 76242), (3686, 69954), (4978, 51798), (5073, 50828), (5529, 46636), (6764, 38121), (7372, 34977), (7467, 34532), (8633, 29868), (9956, 25899), (10146, 25414), (11058, 23318), (11659, 22116), (12707, 20292), (14934, 17266)]