81538585804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16141}}^1\times {\mathrm{5113}}^1$

素因数の和:21290

約数の個数: 48

約数和(自身を含む): 161798368480

約数和(自身を除く): 80259782676

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 5113, 10226, 16141, 20452, 32282, 64564, 66469, 97147, 132938, 194294, 209833, 265876, 306679, 388588, 419666, 613358, 839332, 1226716, 1262911, 2525822, 3986827, 5051644, 7973654, 15947308, 82528933, 165057866, 330115732, 1072876129, 1568049727, 2145752258, 3136099454, 4291504516, 6272198908, 20384646451, 40769292902, 81538585804]

約数ペア:

[(1, 81538585804), (2, 40769292902), (4, 20384646451), (13, 6272198908), (19, 4291504516), (26, 3136099454), (38, 2145752258), (52, 1568049727), (76, 1072876129), (247, 330115732), (494, 165057866), (988, 82528933), (5113, 15947308), (10226, 7973654), (16141, 5051644), (20452, 3986827), (32282, 2525822), (64564, 1262911), (66469, 1226716), (97147, 839332), (132938, 613358), (194294, 419666), (209833, 388588), (265876, 306679)]