128215428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3361}}^1$

素因数の和:3413

約数の個数: 72

約数和(自身を含む): 346797024

約数和(自身を除く): 218581596

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 561, 578, 748, 867, 1122, 1156, 1734, 2244, 3179, 3361, 3468, 6358, 6722, 9537, 10083, 12716, 13444, 19074, 20166, 36971, 38148, 40332, 57137, 73942, 110913, 114274, 147884, 171411, 221826, 228548, 342822, 443652, 628507, 685644, 971329, 1257014, 1885521, 1942658, 2514028, 2913987, 3771042, 3885316, 5827974, 7542084, 10684619, 11655948, 21369238, 32053857, 42738476, 64107714, 128215428]

約数ペア:

[(1, 128215428), (2, 64107714), (3, 42738476), (4, 32053857), (6, 21369238), (11, 11655948), (12, 10684619), (17, 7542084), (22, 5827974), (33, 3885316), (34, 3771042), (44, 2913987), (51, 2514028), (66, 1942658), (68, 1885521), (102, 1257014), (132, 971329), (187, 685644), (204, 628507), (289, 443652), (374, 342822), (561, 228548), (578, 221826), (748, 171411), (867, 147884), (1122, 114274), (1156, 110913), (1734, 73942), (2244, 57137), (3179, 40332), (3361, 38148), (3468, 36971), (6358, 20166), (6722, 19074), (9537, 13444), (10083, 12716)]