321590528

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:888

約数の個数: 108

約数和(自身を含む): 771748992

約数和(自身を除く): 450158464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 392, 434, 448, 496, 784, 827, 868, 896, 992, 1519, 1568, 1654, 1736, 1792, 1984, 3038, 3136, 3308, 3472, 3968, 5789, 6076, 6272, 6616, 6944, 7936, 11578, 12152, 12544, 13232, 13888, 23156, 24304, 25637, 26464, 27776, 40523, 46312, 48608, 51274, 52928, 55552, 81046, 92624, 97216, 102548, 105856, 162092, 179459, 185248, 194432, 205096, 211712, 324184, 358918, 370496, 388864, 410192, 648368, 717836, 740992, 820384, 1256213, 1296736, 1435672, 1481984, 1640768, 2512426, 2593472, 2871344, 3281536, 5024852, 5186944, 5742688, 6563072, 10049704, 10373888, 11485376, 20099408, 22970752, 40198816, 45941504, 80397632, 160795264, 321590528]

約数ペア:

[(1, 321590528), (2, 160795264), (4, 80397632), (7, 45941504), (8, 40198816), (14, 22970752), (16, 20099408), (28, 11485376), (31, 10373888), (32, 10049704), (49, 6563072), (56, 5742688), (62, 5186944), (64, 5024852), (98, 3281536), (112, 2871344), (124, 2593472), (128, 2512426), (196, 1640768), (217, 1481984), (224, 1435672), (248, 1296736), (256, 1256213), (392, 820384), (434, 740992), (448, 717836), (496, 648368), (784, 410192), (827, 388864), (868, 370496), (896, 358918), (992, 324184), (1519, 211712), (1568, 205096), (1654, 194432), (1736, 185248), (1792, 179459), (1984, 162092), (3038, 105856), (3136, 102548), (3308, 97216), (3472, 92624), (3968, 81046), (5789, 55552), (6076, 52928), (6272, 51274), (6616, 48608), (6944, 46312), (7936, 40523), (11578, 27776), (12152, 26464), (12544, 25637), (13232, 24304), (13888, 23156)]