677525615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 948326400

約数和(自身を除く): 270800785

約数列:

[1, 5, 13, 31, 41, 59, 65, 139, 155, 205, 295, 403, 533, 695, 767, 1271, 1807, 1829, 2015, 2419, 2665, 3835, 4309, 5699, 6355, 8201, 9035, 9145, 12095, 16523, 21545, 23777, 28495, 31447, 41005, 56017, 74087, 74989, 82615, 106613, 118885, 157235, 176669, 254231, 280085, 336241, 370435, 374945, 533065, 883345, 974857, 1271155, 1681205, 2296697, 3305003, 4371133, 4874285, 10423471, 11483485, 16525015, 21855665, 52117355, 135505123, 677525615]

約数ペア:

[(1, 677525615), (5, 135505123), (13, 52117355), (31, 21855665), (41, 16525015), (59, 11483485), (65, 10423471), (139, 4874285), (155, 4371133), (205, 3305003), (295, 2296697), (403, 1681205), (533, 1271155), (695, 974857), (767, 883345), (1271, 533065), (1807, 374945), (1829, 370435), (2015, 336241), (2419, 280085), (2665, 254231), (3835, 176669), (4309, 157235), (5699, 118885), (6355, 106613), (8201, 82615), (9035, 74989), (9145, 74087), (12095, 56017), (16523, 41005), (21545, 31447), (23777, 28495)]