279430866

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 731989440

約数和(自身を除く): 452558574

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 71, 78, 99, 117, 121, 139, 142, 143, 198, 213, 234, 242, 278, 286, 363, 417, 426, 429, 639, 726, 781, 834, 858, 923, 1089, 1251, 1278, 1287, 1529, 1562, 1573, 1807, 1846, 2178, 2343, 2502, 2574, 2769, 3058, 3146, 3614, 4587, 4686, 4719, 5421, 5538, 7029, 8307, 8591, 9174, 9438, 9869, 10153, 10842, 13761, 14058, 14157, 16263, 16614, 16819, 17182, 19738, 19877, 20306, 25773, 27522, 28314, 29607, 30459, 32526, 33638, 39754, 50457, 51546, 59214, 59631, 60918, 77319, 88821, 91377, 100914, 108559, 111683, 119262, 128297, 151371, 154638, 177642, 178893, 182754, 217118, 218647, 223366, 256594, 302742, 325677, 335049, 357786, 384891, 437294, 651354, 655941, 670098, 769782, 977031, 1005147, 1154673, 1194149, 1311882, 1411267, 1954062, 1967823, 2010294, 2309346, 2388298, 2822534, 3582447, 3935646, 4233801, 7164894, 8467602, 10747341, 12701403, 15523937, 21494682, 25402806, 31047874, 46571811, 93143622, 139715433, 279430866]

約数ペア:

[(1, 279430866), (2, 139715433), (3, 93143622), (6, 46571811), (9, 31047874), (11, 25402806), (13, 21494682), (18, 15523937), (22, 12701403), (26, 10747341), (33, 8467602), (39, 7164894), (66, 4233801), (71, 3935646), (78, 3582447), (99, 2822534), (117, 2388298), (121, 2309346), (139, 2010294), (142, 1967823), (143, 1954062), (198, 1411267), (213, 1311882), (234, 1194149), (242, 1154673), (278, 1005147), (286, 977031), (363, 769782), (417, 670098), (426, 655941), (429, 651354), (639, 437294), (726, 384891), (781, 357786), (834, 335049), (858, 325677), (923, 302742), (1089, 256594), (1251, 223366), (1278, 218647), (1287, 217118), (1529, 182754), (1562, 178893), (1573, 177642), (1807, 154638), (1846, 151371), (2178, 128297), (2343, 119262), (2502, 111683), (2574, 108559), (2769, 100914), (3058, 91377), (3146, 88821), (3614, 77319), (4587, 60918), (4686, 59631), (4719, 59214), (5421, 51546), (5538, 50457), (7029, 39754), (8307, 33638), (8591, 32526), (9174, 30459), (9438, 29607), (9869, 28314), (10153, 27522), (10842, 25773), (13761, 20306), (14058, 19877), (14157, 19738), (16263, 17182), (16614, 16819)]