245868688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2312

約数の個数: 80

約数和(自身を含む): 560964096

約数和(自身を除く): 315095408

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 2108, 2243, 3224, 3536, 4216, 4486, 6448, 6851, 8432, 8972, 13702, 17944, 27404, 29159, 35888, 38131, 54808, 58318, 69533, 76262, 109616, 116636, 139066, 152524, 233272, 278132, 305048, 466544, 495703, 556264, 610096, 903929, 991406, 1112528, 1182061, 1807858, 1982812, 2364122, 3615716, 3965624, 4728244, 7231432, 7931248, 9456488, 14462864, 15366793, 18912976, 30733586, 61467172, 122934344, 245868688]

約数ペア:

[(1, 245868688), (2, 122934344), (4, 61467172), (8, 30733586), (13, 18912976), (16, 15366793), (17, 14462864), (26, 9456488), (31, 7931248), (34, 7231432), (52, 4728244), (62, 3965624), (68, 3615716), (104, 2364122), (124, 1982812), (136, 1807858), (208, 1182061), (221, 1112528), (248, 991406), (272, 903929), (403, 610096), (442, 556264), (496, 495703), (527, 466544), (806, 305048), (884, 278132), (1054, 233272), (1612, 152524), (1768, 139066), (2108, 116636), (2243, 109616), (3224, 76262), (3536, 69533), (4216, 58318), (4486, 54808), (6448, 38131), (6851, 35888), (8432, 29159), (8972, 27404), (13702, 17944)]