71687168

素因数分解:

$2^{10}\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 88

約数和(自身を含む): 167231712

約数和(自身を除く): 95544544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 137, 146, 224, 256, 274, 292, 448, 511, 512, 548, 584, 896, 959, 1022, 1024, 1096, 1168, 1792, 1918, 2044, 2192, 2336, 3584, 3836, 4088, 4384, 4672, 7168, 7672, 8176, 8768, 9344, 10001, 15344, 16352, 17536, 18688, 20002, 30688, 32704, 35072, 37376, 40004, 61376, 65408, 70007, 70144, 74752, 80008, 122752, 130816, 140014, 140288, 160016, 245504, 261632, 280028, 320032, 491008, 523264, 560056, 640064, 982016, 1120112, 1280128, 2240224, 2560256, 4480448, 5120512, 8960896, 10241024, 17921792, 35843584, 71687168]

約数ペア:

[(1, 71687168), (2, 35843584), (4, 17921792), (7, 10241024), (8, 8960896), (14, 5120512), (16, 4480448), (28, 2560256), (32, 2240224), (56, 1280128), (64, 1120112), (73, 982016), (112, 640064), (128, 560056), (137, 523264), (146, 491008), (224, 320032), (256, 280028), (274, 261632), (292, 245504), (448, 160016), (511, 140288), (512, 140014), (548, 130816), (584, 122752), (896, 80008), (959, 74752), (1022, 70144), (1024, 70007), (1096, 65408), (1168, 61376), (1792, 40004), (1918, 37376), (2044, 35072), (2192, 32704), (2336, 30688), (3584, 20002), (3836, 18688), (4088, 17536), (4384, 16352), (4672, 15344), (7168, 10001), (7672, 9344), (8176, 8768)]