247725608

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 520259850

約数和(自身を除く): 272534242

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 109, 164, 169, 218, 328, 338, 436, 533, 676, 872, 1066, 1352, 1417, 1681, 2132, 2834, 3362, 4264, 4469, 5668, 6724, 6929, 8938, 11336, 13448, 13858, 17876, 18421, 21853, 27716, 35752, 36842, 43706, 55432, 58097, 73684, 87412, 116194, 147368, 174824, 183229, 232388, 284089, 366458, 464776, 568178, 732916, 755261, 1136356, 1465832, 1510522, 2272712, 2381977, 3021044, 4763954, 6042088, 9527908, 19055816, 30965701, 61931402, 123862804, 247725608]

約数ペア:

[(1, 247725608), (2, 123862804), (4, 61931402), (8, 30965701), (13, 19055816), (26, 9527908), (41, 6042088), (52, 4763954), (82, 3021044), (104, 2381977), (109, 2272712), (164, 1510522), (169, 1465832), (218, 1136356), (328, 755261), (338, 732916), (436, 568178), (533, 464776), (676, 366458), (872, 284089), (1066, 232388), (1352, 183229), (1417, 174824), (1681, 147368), (2132, 116194), (2834, 87412), (3362, 73684), (4264, 58097), (4469, 55432), (5668, 43706), (6724, 36842), (6929, 35752), (8938, 27716), (11336, 21853), (13448, 18421), (13858, 17876)]