61891998

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1607}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 145183104

約数和(自身を除く): 83291106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 131, 147, 262, 294, 393, 786, 917, 1607, 1834, 2751, 3214, 4821, 5502, 6419, 9642, 11249, 12838, 19257, 22498, 33747, 38514, 67494, 78743, 157486, 210517, 236229, 421034, 472458, 631551, 1263102, 1473619, 2947238, 4420857, 8841714, 10315333, 20630666, 30945999, 61891998]

約数ペア:

[(1, 61891998), (2, 30945999), (3, 20630666), (6, 10315333), (7, 8841714), (14, 4420857), (21, 2947238), (42, 1473619), (49, 1263102), (98, 631551), (131, 472458), (147, 421034), (262, 236229), (294, 210517), (393, 157486), (786, 78743), (917, 67494), (1607, 38514), (1834, 33747), (2751, 22498), (3214, 19257), (4821, 12838), (5502, 11249), (6419, 9642)]