258771136

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 582615040

約数和(自身を除く): 323843904

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 79, 104, 124, 127, 158, 208, 248, 254, 316, 403, 416, 496, 508, 632, 806, 832, 992, 1016, 1027, 1264, 1612, 1651, 1984, 2032, 2054, 2449, 2528, 3224, 3302, 3937, 4064, 4108, 4898, 5056, 6448, 6604, 7874, 8128, 8216, 9796, 10033, 12896, 13208, 15748, 16432, 19592, 20066, 25792, 26416, 31496, 31837, 32864, 39184, 40132, 51181, 52832, 62992, 63674, 65728, 78368, 80264, 102362, 105664, 125984, 127348, 130429, 156736, 160528, 204724, 251968, 254696, 260858, 311023, 321056, 409448, 509392, 521716, 622046, 642112, 818896, 1018784, 1043432, 1244092, 1637792, 2037568, 2086864, 2488184, 3275584, 4043299, 4173728, 4976368, 8086598, 8347456, 9952736, 16173196, 19905472, 32346392, 64692784, 129385568, 258771136]

約数ペア:

[(1, 258771136), (2, 129385568), (4, 64692784), (8, 32346392), (13, 19905472), (16, 16173196), (26, 9952736), (31, 8347456), (32, 8086598), (52, 4976368), (62, 4173728), (64, 4043299), (79, 3275584), (104, 2488184), (124, 2086864), (127, 2037568), (158, 1637792), (208, 1244092), (248, 1043432), (254, 1018784), (316, 818896), (403, 642112), (416, 622046), (496, 521716), (508, 509392), (632, 409448), (806, 321056), (832, 311023), (992, 260858), (1016, 254696), (1027, 251968), (1264, 204724), (1612, 160528), (1651, 156736), (1984, 130429), (2032, 127348), (2054, 125984), (2449, 105664), (2528, 102362), (3224, 80264), (3302, 78368), (3937, 65728), (4064, 63674), (4108, 62992), (4898, 52832), (5056, 51181), (6448, 40132), (6604, 39184), (7874, 32864), (8128, 31837), (8216, 31496), (9796, 26416), (10033, 25792), (12896, 20066), (13208, 19592), (15748, 16432)]