215514612

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 556920000

約数和(自身を除く): 341405388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 199, 201, 268, 398, 402, 449, 597, 603, 796, 804, 898, 1194, 1206, 1347, 1791, 1796, 2388, 2412, 2694, 3582, 4041, 5388, 7164, 8082, 13333, 16164, 26666, 30083, 39999, 53332, 60166, 79998, 89351, 90249, 119997, 120332, 159996, 178702, 180498, 239994, 268053, 270747, 357404, 360996, 479988, 536106, 541494, 804159, 1072212, 1082988, 1608318, 3216636, 5986517, 11973034, 17959551, 23946068, 35919102, 53878653, 71838204, 107757306, 215514612]

約数ペア:

[(1, 215514612), (2, 107757306), (3, 71838204), (4, 53878653), (6, 35919102), (9, 23946068), (12, 17959551), (18, 11973034), (36, 5986517), (67, 3216636), (134, 1608318), (199, 1082988), (201, 1072212), (268, 804159), (398, 541494), (402, 536106), (449, 479988), (597, 360996), (603, 357404), (796, 270747), (804, 268053), (898, 239994), (1194, 180498), (1206, 178702), (1347, 159996), (1791, 120332), (1796, 119997), (2388, 90249), (2412, 89351), (2694, 79998), (3582, 60166), (4041, 53332), (5388, 39999), (7164, 30083), (8082, 26666), (13333, 16164)]