31680402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 69393600

約数和(自身を除く): 37713198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 169, 199, 314, 338, 398, 471, 507, 597, 942, 1014, 1194, 2041, 2587, 4082, 5174, 6123, 7761, 12246, 15522, 26533, 31243, 33631, 53066, 62486, 67262, 79599, 93729, 100893, 159198, 187458, 201786, 406159, 812318, 1218477, 2436954, 5280067, 10560134, 15840201, 31680402]

約数ペア:

[(1, 31680402), (2, 15840201), (3, 10560134), (6, 5280067), (13, 2436954), (26, 1218477), (39, 812318), (78, 406159), (157, 201786), (169, 187458), (199, 159198), (314, 100893), (338, 93729), (398, 79599), (471, 67262), (507, 62486), (597, 53066), (942, 33631), (1014, 31243), (1194, 26533), (2041, 15522), (2587, 12246), (4082, 7761), (5174, 6123)]