71358976

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 156739968

約数和(自身を除く): 85380992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 151, 208, 256, 284, 302, 416, 512, 568, 604, 832, 923, 1136, 1208, 1664, 1846, 1963, 2272, 2416, 3328, 3692, 3926, 4544, 4832, 6656, 7384, 7852, 9088, 9664, 10721, 14768, 15704, 18176, 19328, 21442, 29536, 31408, 36352, 38656, 42884, 59072, 62816, 77312, 85768, 118144, 125632, 139373, 171536, 236288, 251264, 278746, 343072, 472576, 502528, 557492, 686144, 1005056, 1114984, 1372288, 2229968, 2744576, 4459936, 5489152, 8919872, 17839744, 35679488, 71358976]

約数ペア:

[(1, 71358976), (2, 35679488), (4, 17839744), (8, 8919872), (13, 5489152), (16, 4459936), (26, 2744576), (32, 2229968), (52, 1372288), (64, 1114984), (71, 1005056), (104, 686144), (128, 557492), (142, 502528), (151, 472576), (208, 343072), (256, 278746), (284, 251264), (302, 236288), (416, 171536), (512, 139373), (568, 125632), (604, 118144), (832, 85768), (923, 77312), (1136, 62816), (1208, 59072), (1664, 42884), (1846, 38656), (1963, 36352), (2272, 31408), (2416, 29536), (3328, 21442), (3692, 19328), (3926, 18176), (4544, 15704), (4832, 14768), (6656, 10721), (7384, 9664), (7852, 9088)]