251996784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1427}}^1$

素因数の和:1734

約数の個数: 80

約数和(自身を含む): 704038272

約数和(自身を除く): 452041488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 283, 312, 566, 624, 849, 1132, 1427, 1698, 2264, 2854, 3396, 3679, 4281, 4528, 5708, 6792, 7358, 8562, 11037, 11416, 13584, 14716, 17124, 18551, 22074, 22832, 29432, 34248, 37102, 44148, 55653, 58864, 68496, 74204, 88296, 111306, 148408, 176592, 222612, 296816, 403841, 445224, 807682, 890448, 1211523, 1615364, 2423046, 3230728, 4846092, 5249933, 6461456, 9692184, 10499866, 15749799, 19384368, 20999732, 31499598, 41999464, 62999196, 83998928, 125998392, 251996784]

約数ペア:

[(1, 251996784), (2, 125998392), (3, 83998928), (4, 62999196), (6, 41999464), (8, 31499598), (12, 20999732), (13, 19384368), (16, 15749799), (24, 10499866), (26, 9692184), (39, 6461456), (48, 5249933), (52, 4846092), (78, 3230728), (104, 2423046), (156, 1615364), (208, 1211523), (283, 890448), (312, 807682), (566, 445224), (624, 403841), (849, 296816), (1132, 222612), (1427, 176592), (1698, 148408), (2264, 111306), (2854, 88296), (3396, 74204), (3679, 68496), (4281, 58864), (4528, 55653), (5708, 44148), (6792, 37102), (7358, 34248), (8562, 29432), (11037, 22832), (11416, 22074), (13584, 18551), (14716, 17124)]