23447216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 54684000

約数和(自身を除く): 31236784

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 349, 442, 494, 646, 698, 884, 988, 1292, 1396, 1768, 1976, 2584, 2792, 3536, 3952, 4199, 4537, 5168, 5584, 5933, 6631, 8398, 9074, 11866, 13262, 16796, 18148, 23732, 26524, 33592, 36296, 47464, 53048, 67184, 72592, 77129, 86203, 94928, 106096, 112727, 154258, 172406, 225454, 308516, 344812, 450908, 617032, 689624, 901816, 1234064, 1379248, 1465451, 1803632, 2930902, 5861804, 11723608, 23447216]

約数ペア:

[(1, 23447216), (2, 11723608), (4, 5861804), (8, 2930902), (13, 1803632), (16, 1465451), (17, 1379248), (19, 1234064), (26, 901816), (34, 689624), (38, 617032), (52, 450908), (68, 344812), (76, 308516), (104, 225454), (136, 172406), (152, 154258), (208, 112727), (221, 106096), (247, 94928), (272, 86203), (304, 77129), (323, 72592), (349, 67184), (442, 53048), (494, 47464), (646, 36296), (698, 33592), (884, 26524), (988, 23732), (1292, 18148), (1396, 16796), (1768, 13262), (1976, 11866), (2584, 9074), (2792, 8398), (3536, 6631), (3952, 5933), (4199, 5584), (4537, 5168)]