261769716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 755104896

約数和(自身を除く): 493335180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 83, 92, 117, 138, 156, 166, 207, 234, 249, 276, 293, 299, 332, 414, 468, 498, 586, 598, 747, 828, 879, 897, 996, 1079, 1172, 1196, 1494, 1758, 1794, 1909, 2158, 2637, 2691, 2988, 3237, 3516, 3588, 3809, 3818, 4316, 5274, 5382, 5727, 6474, 6739, 7618, 7636, 9711, 10548, 10764, 11427, 11454, 12948, 13478, 15236, 17181, 19422, 20217, 22854, 22908, 24319, 24817, 26956, 34281, 34362, 38844, 40434, 45708, 48638, 49634, 60651, 68562, 68724, 72957, 74451, 80868, 87607, 97276, 99268, 121302, 137124, 145914, 148902, 175214, 218871, 223353, 242604, 262821, 291828, 297804, 316147, 350428, 437742, 446706, 525642, 559337, 632294, 788463, 875484, 893412, 948441, 1051284, 1118674, 1264588, 1576926, 1678011, 1896882, 2237348, 2845323, 3153852, 3356022, 3793764, 5034033, 5690646, 6712044, 7271381, 10068066, 11381292, 14542762, 20136132, 21814143, 29085524, 43628286, 65442429, 87256572, 130884858, 261769716]

約数ペア:

[(1, 261769716), (2, 130884858), (3, 87256572), (4, 65442429), (6, 43628286), (9, 29085524), (12, 21814143), (13, 20136132), (18, 14542762), (23, 11381292), (26, 10068066), (36, 7271381), (39, 6712044), (46, 5690646), (52, 5034033), (69, 3793764), (78, 3356022), (83, 3153852), (92, 2845323), (117, 2237348), (138, 1896882), (156, 1678011), (166, 1576926), (207, 1264588), (234, 1118674), (249, 1051284), (276, 948441), (293, 893412), (299, 875484), (332, 788463), (414, 632294), (468, 559337), (498, 525642), (586, 446706), (598, 437742), (747, 350428), (828, 316147), (879, 297804), (897, 291828), (996, 262821), (1079, 242604), (1172, 223353), (1196, 218871), (1494, 175214), (1758, 148902), (1794, 145914), (1909, 137124), (2158, 121302), (2637, 99268), (2691, 97276), (2988, 87607), (3237, 80868), (3516, 74451), (3588, 72957), (3809, 68724), (3818, 68562), (4316, 60651), (5274, 49634), (5382, 48638), (5727, 45708), (6474, 40434), (6739, 38844), (7618, 34362), (7636, 34281), (9711, 26956), (10548, 24817), (10764, 24319), (11427, 22908), (11454, 22854), (12948, 20217), (13478, 19422), (15236, 17181)]