257842312

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2715

約数の個数: 96

約数和(自身を含む): 637761600

約数和(自身を除く): 379919288

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 182, 196, 247, 266, 364, 392, 494, 532, 637, 728, 931, 988, 1064, 1274, 1729, 1862, 1976, 2548, 2663, 3458, 3724, 5096, 5326, 6916, 7448, 10652, 12103, 13832, 18641, 21304, 24206, 34619, 37282, 48412, 50597, 69238, 74564, 96824, 101194, 130487, 138476, 149128, 202388, 242333, 260974, 276952, 354179, 404776, 484666, 521948, 657761, 708358, 969332, 1043896, 1315522, 1416716, 1696331, 1938664, 2479253, 2631044, 2833432, 3392662, 4604327, 4958506, 5262088, 6785324, 9208654, 9917012, 13570648, 18417308, 19834024, 32230289, 36834616, 64460578, 128921156, 257842312]

約数ペア:

[(1, 257842312), (2, 128921156), (4, 64460578), (7, 36834616), (8, 32230289), (13, 19834024), (14, 18417308), (19, 13570648), (26, 9917012), (28, 9208654), (38, 6785324), (49, 5262088), (52, 4958506), (56, 4604327), (76, 3392662), (91, 2833432), (98, 2631044), (104, 2479253), (133, 1938664), (152, 1696331), (182, 1416716), (196, 1315522), (247, 1043896), (266, 969332), (364, 708358), (392, 657761), (494, 521948), (532, 484666), (637, 404776), (728, 354179), (931, 276952), (988, 260974), (1064, 242333), (1274, 202388), (1729, 149128), (1862, 138476), (1976, 130487), (2548, 101194), (2663, 96824), (3458, 74564), (3724, 69238), (5096, 50597), (5326, 48412), (6916, 37282), (7448, 34619), (10652, 24206), (12103, 21304), (13832, 18641)]