31415488

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 68346320

約数和(自身を除く): 36930832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 619, 793, 832, 976, 1238, 1586, 1952, 2476, 3172, 3904, 4952, 6344, 8047, 9904, 12688, 16094, 19808, 25376, 32188, 37759, 39616, 50752, 64376, 75518, 128752, 151036, 257504, 302072, 490867, 515008, 604144, 981734, 1208288, 1963468, 2416576, 3926936, 7853872, 15707744, 31415488]

約数ペア:

[(1, 31415488), (2, 15707744), (4, 7853872), (8, 3926936), (13, 2416576), (16, 1963468), (26, 1208288), (32, 981734), (52, 604144), (61, 515008), (64, 490867), (104, 302072), (122, 257504), (208, 151036), (244, 128752), (416, 75518), (488, 64376), (619, 50752), (793, 39616), (832, 37759), (976, 32188), (1238, 25376), (1586, 19808), (1952, 16094), (2476, 12688), (3172, 9904), (3904, 8047), (4952, 6344)]