257971584

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1728

約数の個数: 128

約数和(自身を含む): 762209280

約数和(自身を除く): 504237696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1667, 1984, 2418, 2496, 2976, 3224, 3334, 3968, 4836, 4992, 5001, 5952, 6448, 6668, 9672, 10002, 11904, 12896, 13336, 19344, 20004, 21671, 25792, 26672, 38688, 40008, 43342, 51584, 51677, 53344, 65013, 77376, 80016, 86684, 103354, 106688, 130026, 154752, 155031, 160032, 173368, 206708, 213376, 260052, 310062, 320064, 346736, 413416, 520104, 620124, 640128, 671801, 693472, 826832, 1040208, 1240248, 1343602, 1386944, 1653664, 2015403, 2080416, 2480496, 2687204, 2773888, 3307328, 4030806, 4160832, 4960992, 5374408, 6614656, 8061612, 8321664, 9921984, 10748816, 16123224, 19843968, 21497632, 32246448, 42995264, 64492896, 85990528, 128985792, 257971584]

約数ペア:

[(1, 257971584), (2, 128985792), (3, 85990528), (4, 64492896), (6, 42995264), (8, 32246448), (12, 21497632), (13, 19843968), (16, 16123224), (24, 10748816), (26, 9921984), (31, 8321664), (32, 8061612), (39, 6614656), (48, 5374408), (52, 4960992), (62, 4160832), (64, 4030806), (78, 3307328), (93, 2773888), (96, 2687204), (104, 2480496), (124, 2080416), (128, 2015403), (156, 1653664), (186, 1386944), (192, 1343602), (208, 1240248), (248, 1040208), (312, 826832), (372, 693472), (384, 671801), (403, 640128), (416, 620124), (496, 520104), (624, 413416), (744, 346736), (806, 320064), (832, 310062), (992, 260052), (1209, 213376), (1248, 206708), (1488, 173368), (1612, 160032), (1664, 155031), (1667, 154752), (1984, 130026), (2418, 106688), (2496, 103354), (2976, 86684), (3224, 80016), (3334, 77376), (3968, 65013), (4836, 53344), (4992, 51677), (5001, 51584), (5952, 43342), (6448, 40008), (6668, 38688), (9672, 26672), (10002, 25792), (11904, 21671), (12896, 20004), (13336, 19344)]