78798928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 175544320

約数和(自身を除く): 96745392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 127, 152, 157, 208, 247, 254, 304, 314, 494, 508, 628, 988, 1016, 1256, 1651, 1976, 2032, 2041, 2413, 2512, 2983, 3302, 3952, 4082, 4826, 5966, 6604, 8164, 9652, 11932, 13208, 16328, 19304, 19939, 23864, 26416, 31369, 32656, 38608, 38779, 39878, 47728, 62738, 77558, 79756, 125476, 155116, 159512, 250952, 259207, 310232, 319024, 378841, 501904, 518414, 620464, 757682, 1036828, 1515364, 2073656, 3030728, 4147312, 4924933, 6061456, 9849866, 19699732, 39399464, 78798928]

約数ペア:

[(1, 78798928), (2, 39399464), (4, 19699732), (8, 9849866), (13, 6061456), (16, 4924933), (19, 4147312), (26, 3030728), (38, 2073656), (52, 1515364), (76, 1036828), (104, 757682), (127, 620464), (152, 518414), (157, 501904), (208, 378841), (247, 319024), (254, 310232), (304, 259207), (314, 250952), (494, 159512), (508, 155116), (628, 125476), (988, 79756), (1016, 77558), (1256, 62738), (1651, 47728), (1976, 39878), (2032, 38779), (2041, 38608), (2413, 32656), (2512, 31369), (2983, 26416), (3302, 23864), (3952, 19939), (4082, 19304), (4826, 16328), (5966, 13208), (6604, 11932), (8164, 9652)]