31121698816

素因数分解:

$2^{12}\times {\mathrm{13}}^2\times {\mathrm{44959}}^1$

素因数の和:45009

約数の個数: 78

約数和(自身を含む): 67392926880

約数和(自身を除く): 36271228064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 832, 1024, 1352, 1664, 2048, 2704, 3328, 4096, 5408, 6656, 10816, 13312, 21632, 26624, 43264, 44959, 53248, 86528, 89918, 173056, 179836, 346112, 359672, 584467, 692224, 719344, 1168934, 1438688, 2337868, 2877376, 4675736, 5754752, 7598071, 9351472, 11509504, 15196142, 18702944, 23019008, 30392284, 37405888, 46038016, 60784568, 74811776, 92076032, 121569136, 149623552, 184152064, 243138272, 299247104, 486276544, 598494208, 972553088, 1196988416, 1945106176, 2393976832, 3890212352, 7780424704, 15560849408, 31121698816]

約数ペア:

[(1, 31121698816), (2, 15560849408), (4, 7780424704), (8, 3890212352), (13, 2393976832), (16, 1945106176), (26, 1196988416), (32, 972553088), (52, 598494208), (64, 486276544), (104, 299247104), (128, 243138272), (169, 184152064), (208, 149623552), (256, 121569136), (338, 92076032), (416, 74811776), (512, 60784568), (676, 46038016), (832, 37405888), (1024, 30392284), (1352, 23019008), (1664, 18702944), (2048, 15196142), (2704, 11509504), (3328, 9351472), (4096, 7598071), (5408, 5754752), (6656, 4675736), (10816, 2877376), (13312, 2337868), (21632, 1438688), (26624, 1168934), (43264, 719344), (44959, 692224), (53248, 584467), (86528, 359672), (89918, 346112), (173056, 179836)]