47749975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 73884160

約数和(自身を除く): 26134185

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 139, 151, 175, 325, 455, 695, 755, 973, 1057, 1807, 1963, 2275, 3475, 3775, 4865, 5285, 9035, 9815, 12649, 13741, 20989, 24325, 26425, 45175, 49075, 63245, 68705, 104945, 146923, 272857, 316225, 343525, 524725, 734615, 1364285, 1909999, 3673075, 6821425, 9549995, 47749975]

約数ペア:

[(1, 47749975), (5, 9549995), (7, 6821425), (13, 3673075), (25, 1909999), (35, 1364285), (65, 734615), (91, 524725), (139, 343525), (151, 316225), (175, 272857), (325, 146923), (455, 104945), (695, 68705), (755, 63245), (973, 49075), (1057, 45175), (1807, 26425), (1963, 24325), (2275, 20989), (3475, 13741), (3775, 12649), (4865, 9815), (5285, 9035)]