72540416

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 158647104

約数和(自身を除く): 86106688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 256, 284, 307, 416, 568, 614, 832, 923, 1136, 1228, 1664, 1846, 2272, 2456, 3328, 3692, 3991, 4544, 4912, 7384, 7982, 9088, 9824, 14768, 15964, 18176, 19648, 21797, 29536, 31928, 39296, 43594, 59072, 63856, 78592, 87188, 118144, 127712, 174376, 236288, 255424, 283361, 348752, 510848, 566722, 697504, 1021696, 1133444, 1395008, 2266888, 2790016, 4533776, 5580032, 9067552, 18135104, 36270208, 72540416]

約数ペア:

[(1, 72540416), (2, 36270208), (4, 18135104), (8, 9067552), (13, 5580032), (16, 4533776), (26, 2790016), (32, 2266888), (52, 1395008), (64, 1133444), (71, 1021696), (104, 697504), (128, 566722), (142, 510848), (208, 348752), (256, 283361), (284, 255424), (307, 236288), (416, 174376), (568, 127712), (614, 118144), (832, 87188), (923, 78592), (1136, 63856), (1228, 59072), (1664, 43594), (1846, 39296), (2272, 31928), (2456, 29536), (3328, 21797), (3692, 19648), (3991, 18176), (4544, 15964), (4912, 14768), (7384, 9824), (7982, 9088)]