25421994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 61064172

約数和(自身を除く): 35642178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 137, 169, 183, 234, 274, 338, 366, 411, 507, 549, 793, 822, 1014, 1098, 1233, 1521, 1586, 1781, 2379, 2466, 3042, 3562, 4758, 5343, 7137, 8357, 10309, 10686, 14274, 16029, 16714, 20618, 23153, 25071, 30927, 32058, 46306, 50142, 61854, 69459, 75213, 92781, 108641, 138918, 150426, 185562, 208377, 217282, 325923, 416754, 651846, 977769, 1412333, 1955538, 2824666, 4236999, 8473998, 12710997, 25421994]

約数ペア:

[(1, 25421994), (2, 12710997), (3, 8473998), (6, 4236999), (9, 2824666), (13, 1955538), (18, 1412333), (26, 977769), (39, 651846), (61, 416754), (78, 325923), (117, 217282), (122, 208377), (137, 185562), (169, 150426), (183, 138918), (234, 108641), (274, 92781), (338, 75213), (366, 69459), (411, 61854), (507, 50142), (549, 46306), (793, 32058), (822, 30927), (1014, 25071), (1098, 23153), (1233, 20618), (1521, 16714), (1586, 16029), (1781, 14274), (2379, 10686), (2466, 10309), (3042, 8357), (3562, 7137), (4758, 5343)]