221528658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1419

約数の個数: 64

約数和(自身を含む): 498379392

約数和(自身を除く): 276850734

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 53, 78, 82, 106, 123, 159, 246, 318, 533, 689, 1066, 1307, 1378, 1599, 2067, 2173, 2614, 3198, 3921, 4134, 4346, 6519, 7842, 13038, 16991, 28249, 33982, 50973, 53587, 56498, 69271, 84747, 101946, 107174, 138542, 160761, 169494, 207813, 321522, 415626, 696631, 900523, 1393262, 1801046, 2089893, 2701569, 2840111, 4179786, 5403138, 5680222, 8520333, 17040666, 36921443, 73842886, 110764329, 221528658]

約数ペア:

[(1, 221528658), (2, 110764329), (3, 73842886), (6, 36921443), (13, 17040666), (26, 8520333), (39, 5680222), (41, 5403138), (53, 4179786), (78, 2840111), (82, 2701569), (106, 2089893), (123, 1801046), (159, 1393262), (246, 900523), (318, 696631), (533, 415626), (689, 321522), (1066, 207813), (1307, 169494), (1378, 160761), (1599, 138542), (2067, 107174), (2173, 101946), (2614, 84747), (3198, 69271), (3921, 56498), (4134, 53587), (4346, 50973), (6519, 33982), (7842, 28249), (13038, 16991)]