331168145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 191379055

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 149, 161, 251, 253, 385, 745, 805, 1043, 1255, 1265, 1639, 1757, 1771, 2761, 3427, 5215, 5773, 8195, 8785, 8855, 11473, 13805, 17135, 19327, 23989, 28865, 37399, 37697, 40411, 57365, 63503, 96635, 119945, 186995, 188485, 202055, 261793, 263879, 317515, 411389, 444521, 860177, 1308965, 1319395, 2056945, 2222605, 2879723, 4300885, 6021239, 9461947, 14398615, 30106195, 47309735, 66233629, 331168145]

約数ペア:

[(1, 331168145), (5, 66233629), (7, 47309735), (11, 30106195), (23, 14398615), (35, 9461947), (55, 6021239), (77, 4300885), (115, 2879723), (149, 2222605), (161, 2056945), (251, 1319395), (253, 1308965), (385, 860177), (745, 444521), (805, 411389), (1043, 317515), (1255, 263879), (1265, 261793), (1639, 202055), (1757, 188485), (1771, 186995), (2761, 119945), (3427, 96635), (5215, 63503), (5773, 57365), (8195, 40411), (8785, 37697), (8855, 37399), (11473, 28865), (13805, 23989), (17135, 19327)]