161937152

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 108

約数和(自身を含む): 370311480

約数和(自身を除く): 208374328

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 169, 197, 208, 247, 256, 304, 338, 394, 416, 494, 608, 676, 788, 832, 988, 1216, 1352, 1576, 1664, 1976, 2432, 2561, 2704, 3152, 3211, 3328, 3743, 3952, 4864, 5122, 5408, 6304, 6422, 7486, 7904, 10244, 10816, 12608, 12844, 14972, 15808, 20488, 21632, 25216, 25688, 29944, 31616, 33293, 40976, 43264, 48659, 50432, 51376, 59888, 63232, 66586, 81952, 97318, 102752, 119776, 133172, 163904, 194636, 205504, 239552, 266344, 327808, 389272, 411008, 479104, 532688, 632567, 655616, 778544, 822016, 958208, 1065376, 1265134, 1557088, 2130752, 2530268, 3114176, 4261504, 5060536, 6228352, 8523008, 10121072, 12456704, 20242144, 40484288, 80968576, 161937152]

約数ペア:

[(1, 161937152), (2, 80968576), (4, 40484288), (8, 20242144), (13, 12456704), (16, 10121072), (19, 8523008), (26, 6228352), (32, 5060536), (38, 4261504), (52, 3114176), (64, 2530268), (76, 2130752), (104, 1557088), (128, 1265134), (152, 1065376), (169, 958208), (197, 822016), (208, 778544), (247, 655616), (256, 632567), (304, 532688), (338, 479104), (394, 411008), (416, 389272), (494, 327808), (608, 266344), (676, 239552), (788, 205504), (832, 194636), (988, 163904), (1216, 133172), (1352, 119776), (1576, 102752), (1664, 97318), (1976, 81952), (2432, 66586), (2561, 63232), (2704, 59888), (3152, 51376), (3211, 50432), (3328, 48659), (3743, 43264), (3952, 40976), (4864, 33293), (5122, 31616), (5408, 29944), (6304, 25688), (6422, 25216), (7486, 21632), (7904, 20488), (10244, 15808), (10816, 14972), (12608, 12844)]