23851555

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 14855645

約数列:

[1, 5, 7, 13, 19, 31, 35, 65, 89, 91, 95, 133, 155, 217, 247, 403, 445, 455, 589, 623, 665, 1085, 1157, 1235, 1691, 1729, 2015, 2759, 2821, 2945, 3115, 4123, 5785, 7657, 8099, 8455, 8645, 11837, 13795, 14105, 19313, 20615, 21983, 35867, 38285, 40495, 52421, 53599, 59185, 96565, 109915, 153881, 179335, 251069, 262105, 267995, 366947, 681473, 769405, 1255345, 1834735, 3407365, 4770311, 23851555]

約数ペア:

[(1, 23851555), (5, 4770311), (7, 3407365), (13, 1834735), (19, 1255345), (31, 769405), (35, 681473), (65, 366947), (89, 267995), (91, 262105), (95, 251069), (133, 179335), (155, 153881), (217, 109915), (247, 96565), (403, 59185), (445, 53599), (455, 52421), (589, 40495), (623, 38285), (665, 35867), (1085, 21983), (1157, 20615), (1235, 19313), (1691, 14105), (1729, 13795), (2015, 11837), (2759, 8645), (2821, 8455), (2945, 8099), (3115, 7657), (4123, 5785)]