81444688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 185988096

約数和(自身を除く): 104543408

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, 743, 806, 884, 1054, 1486, 1612, 1768, 2108, 2972, 3224, 3536, 4216, 5944, 6448, 6851, 8432, 9659, 11888, 12631, 13702, 19318, 23033, 25262, 27404, 38636, 46066, 50524, 54808, 77272, 92132, 101048, 109616, 154544, 164203, 184264, 202096, 299429, 328406, 368528, 391561, 598858, 656812, 783122, 1197716, 1313624, 1566244, 2395432, 2627248, 3132488, 4790864, 5090293, 6264976, 10180586, 20361172, 40722344, 81444688]

約数ペア:

[(1, 81444688), (2, 40722344), (4, 20361172), (8, 10180586), (13, 6264976), (16, 5090293), (17, 4790864), (26, 3132488), (31, 2627248), (34, 2395432), (52, 1566244), (62, 1313624), (68, 1197716), (104, 783122), (124, 656812), (136, 598858), (208, 391561), (221, 368528), (248, 328406), (272, 299429), (403, 202096), (442, 184264), (496, 164203), (527, 154544), (743, 109616), (806, 101048), (884, 92132), (1054, 77272), (1486, 54808), (1612, 50524), (1768, 46066), (2108, 38636), (2972, 27404), (3224, 25262), (3536, 23033), (4216, 19318), (5944, 13702), (6448, 12631), (6851, 11888), (8432, 9659)]