128707432

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 285696000

約数和(自身を除く): 156988568

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 79, 94, 158, 188, 316, 329, 376, 553, 619, 632, 658, 1106, 1238, 1316, 2212, 2476, 2632, 3713, 4333, 4424, 4952, 7426, 8666, 14852, 17332, 25991, 29093, 29704, 34664, 48901, 51982, 58186, 97802, 103964, 116372, 195604, 203651, 207928, 232744, 342307, 391208, 407302, 684614, 814604, 1369228, 1629208, 2298347, 2738456, 4596694, 9193388, 16088429, 18386776, 32176858, 64353716, 128707432]

約数ペア:

[(1, 128707432), (2, 64353716), (4, 32176858), (7, 18386776), (8, 16088429), (14, 9193388), (28, 4596694), (47, 2738456), (56, 2298347), (79, 1629208), (94, 1369228), (158, 814604), (188, 684614), (316, 407302), (329, 391208), (376, 342307), (553, 232744), (619, 207928), (632, 203651), (658, 195604), (1106, 116372), (1238, 103964), (1316, 97802), (2212, 58186), (2476, 51982), (2632, 48901), (3713, 34664), (4333, 29704), (4424, 29093), (4952, 25991), (7426, 17332), (8666, 14852)]