78303788

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 36

約数和(自身を含む): 145874232

約数和(自身を除く): 67570444

約数列:

[1, 2, 4, 19, 38, 76, 211, 257, 361, 422, 514, 722, 844, 1028, 1444, 4009, 4883, 8018, 9766, 16036, 19532, 54227, 76171, 92777, 108454, 152342, 185554, 216908, 304684, 371108, 1030313, 2060626, 4121252, 19575947, 39151894, 78303788]

約数ペア:

[(1, 78303788), (2, 39151894), (4, 19575947), (19, 4121252), (38, 2060626), (76, 1030313), (211, 371108), (257, 304684), (361, 216908), (422, 185554), (514, 152342), (722, 108454), (844, 92777), (1028, 76171), (1444, 54227), (4009, 19532), (4883, 16036), (8018, 9766)]