293992016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 640584000

約数和(自身を除く): 346591984

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 163, 272, 304, 323, 326, 349, 646, 652, 698, 1292, 1304, 1396, 2584, 2608, 2771, 2792, 3097, 5168, 5542, 5584, 5933, 6194, 6631, 11084, 11866, 12388, 13262, 22168, 23732, 24776, 26524, 44336, 47464, 49552, 52649, 53048, 56887, 94928, 105298, 106096, 112727, 113774, 210596, 225454, 227548, 421192, 450908, 455096, 842384, 901816, 910192, 967079, 1080853, 1803632, 1934158, 2161706, 3868316, 4323412, 7736632, 8646824, 15473264, 17293648, 18374501, 36749002, 73498004, 146996008, 293992016]

約数ペア:

[(1, 293992016), (2, 146996008), (4, 73498004), (8, 36749002), (16, 18374501), (17, 17293648), (19, 15473264), (34, 8646824), (38, 7736632), (68, 4323412), (76, 3868316), (136, 2161706), (152, 1934158), (163, 1803632), (272, 1080853), (304, 967079), (323, 910192), (326, 901816), (349, 842384), (646, 455096), (652, 450908), (698, 421192), (1292, 227548), (1304, 225454), (1396, 210596), (2584, 113774), (2608, 112727), (2771, 106096), (2792, 105298), (3097, 94928), (5168, 56887), (5542, 53048), (5584, 52649), (5933, 49552), (6194, 47464), (6631, 44336), (11084, 26524), (11866, 24776), (12388, 23732), (13262, 22168)]