248508416

素因数分解:

$2^{12}\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:409

約数の個数: 78

約数和(自身を含む): 539623080

約数和(自身を除く): 291114664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 359, 416, 512, 676, 718, 832, 1024, 1352, 1436, 1664, 2048, 2704, 2872, 3328, 4096, 4667, 5408, 5744, 6656, 9334, 10816, 11488, 13312, 18668, 21632, 22976, 26624, 37336, 43264, 45952, 53248, 60671, 74672, 86528, 91904, 121342, 149344, 173056, 183808, 242684, 298688, 346112, 367616, 485368, 597376, 692224, 735232, 970736, 1194752, 1470464, 1941472, 2389504, 3882944, 4779008, 7765888, 9558016, 15531776, 19116032, 31063552, 62127104, 124254208, 248508416]

約数ペア:

[(1, 248508416), (2, 124254208), (4, 62127104), (8, 31063552), (13, 19116032), (16, 15531776), (26, 9558016), (32, 7765888), (52, 4779008), (64, 3882944), (104, 2389504), (128, 1941472), (169, 1470464), (208, 1194752), (256, 970736), (338, 735232), (359, 692224), (416, 597376), (512, 485368), (676, 367616), (718, 346112), (832, 298688), (1024, 242684), (1352, 183808), (1436, 173056), (1664, 149344), (2048, 121342), (2704, 91904), (2872, 86528), (3328, 74672), (4096, 60671), (4667, 53248), (5408, 45952), (5744, 43264), (6656, 37336), (9334, 26624), (10816, 22976), (11488, 21632), (13312, 18668)]