78364208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 96624592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 104, 152, 158, 208, 247, 251, 304, 316, 494, 502, 632, 988, 1004, 1027, 1264, 1501, 1976, 2008, 2054, 3002, 3263, 3952, 4016, 4108, 4769, 6004, 6526, 8216, 9538, 12008, 13052, 16432, 19076, 19513, 19829, 24016, 26104, 38152, 39026, 39658, 52208, 61997, 76304, 78052, 79316, 123994, 156104, 158632, 247988, 257777, 312208, 317264, 376751, 495976, 515554, 753502, 991952, 1031108, 1507004, 2062216, 3014008, 4124432, 4897763, 6028016, 9795526, 19591052, 39182104, 78364208]

約数ペア:

[(1, 78364208), (2, 39182104), (4, 19591052), (8, 9795526), (13, 6028016), (16, 4897763), (19, 4124432), (26, 3014008), (38, 2062216), (52, 1507004), (76, 1031108), (79, 991952), (104, 753502), (152, 515554), (158, 495976), (208, 376751), (247, 317264), (251, 312208), (304, 257777), (316, 247988), (494, 158632), (502, 156104), (632, 123994), (988, 79316), (1004, 78052), (1027, 76304), (1264, 61997), (1501, 52208), (1976, 39658), (2008, 39026), (2054, 38152), (3002, 26104), (3263, 24016), (3952, 19829), (4016, 19513), (4108, 19076), (4769, 16432), (6004, 13052), (6526, 12008), (8216, 9538)]